antonyms.txt

asymmetrical, symmetrical
good-natured, ill-natured
irritate, soothe
accommodating, unaccommodating
anticlimactic, climactic
disobediently, obediently
twine, untwine
protected, unprotected
irrelevant, relevant
advisability, inadvisability
advantageous, disadvantageous
dishonor, honor
thrifty, wasteful
protective, unprotective
diligent, negligent
ill-being, well-being
receptive, unreceptive
important, unimportant
exon, intron
plowed, unplowed
forget, mind
imperviousness, perviousness
irreparable, reparable
attention, inattention
linger, rush
curability, incurability
profane, sacred
additive, subtractive
decreasing, increasing
impartial, partial
unwritten, written
insubstantiality, substantiality
insurability, uninsurability
daughter, son
mistrust, trust
separation, union
unwomanly, womanly
level, raise
involvement, non-involvement
elastic, inelastic
righteously, unrighteously
subsurface, surface
nonthermal, thermal
dry, wet
finish, start
oiled, unoiled
obtrusive, unobtrusive
impatient, patient
convergent, divergent
conclusive, inconclusive
landed, landless
touched, untouched
long, short
arbitrable, nonarbitrable
disloyal, loyal
heterogeneous, homogeneous
adequately, inadequately
friendly, hostile
deniable, undeniable
revived, unrevived
identifiable, unidentifiable
addressed, unaddressed
eukaryotic, prokaryotic
admit, deny
twist, untwist
immodestly, modestly
high-interest, low-interest
connectedness, disconnectedness
development, nondevelopment
demobilize, mobilize
hurried, unhurried
coated, uncoated
narrowing, widening
healthful, unhealthful
tempered, untempered
frail, robust
centralise, decentralise
correct, falsify
align, skew
heterosexual, homosexual
cheerfully, cheerlessly
bimodal, unimodal
originality, unoriginality
disorderly, orderly
stuck, unstuck
impenitently, penitently
displeased, pleased
illegitimately, legitimately
clergyman, layman
institutional, noninstitutional
thoughtfulness, thoughtlessness
distal, mesial
settled, unsettled
unwaxed, waxed
insubordinate, subordinate
hypercapnia, hypocapnia
collapsible, noncollapsible
downmarket, upmarket
active, stative
nobleman, noblewoman
desynchronize, synchronize
addition, subtraction
nonrepresentative, representative
kindly, unkindly
selfishly, unselfishly
descriptive, undescriptive
larboard, starboard
greenness, ripeness
hospitably, inhospitably
appreciatively, unappreciatively
bottom, top
gain, reduce
behave, misbehave
destalinize, stalinize
bridgeable, unbridgeable
agitation, calmness
arranged, disarranged
specialized, unspecialized
illogicalness, logicalness
acquisitive, unacquisitive
concentric, eccentric
lowered, raised
apolune, perilune
initiate, uninitiate
confined, unconfined
dull, sharp
east, west
playable, unplayable
sinkable, unsinkable
insecure, secure
irrelevance, relevance
peaceful, unpeaceful
directional, omnidirectional
informatively, uninformatively
arm, disarm
hereness, thereness
aborad, orad
eligibility, ineligibility
multilaterally, unilaterally
sarcastic, unsarcastic
shuttered, unshuttered
comfortable, uncomfortable
calculable, incalculable
income, outgo
filled, unfilled
tactfulness, tactlessness
impassable, passable
sealed, unsealed
saddle, unsaddle
summery, wintry
faced, faceless
indoors, outdoors
sitter, stander
distributary, tributary
cooked, raw
compress, decompress
general, particular
forbid, permit
certified, uncertified
disengage, engage
acidity, alkalinity
scramble, unscramble
difficulty, ease
femininity, masculinity
involuntary, voluntary
stained, unstained
complete, incomplete
sportingly, unsportingly
abduct, adduct
rh-negative, rh-positive
humorlessly, humorously
impossibility, possibility
hatless, hatted
lengthen, shorten
analyzed, unanalyzed
unyoke, yoke
gracefully, gracelessly
ametropic, emmetropic
detribalization, tribalization
classical, nonclassical
disliked, liked
productive, unproductive
arrange, disarrange
decrease, increase
applaud, boo
overhead, subsurface
ill-defined, well-defined
ectomorphic, endomorphic
declarative, interrogative
privileged, underprivileged
centrality, marginality
center, right
manned, unmanned
lipless, lipped
loose, tight
exchangeability, unexchangeability
determinate, indeterminate
colonize, decolonize
demonetization, monetization
buttoned, unbuttoned
furnished, unfurnished
equipped, unequipped
closing, opening
restrictive, unrestrictive
apogee, perigee
nonprehensile, prehensile
maximize, minimize
conjunctive, disjunctive
rentable, unrentable
exclusive, inclusive
deodourise, odourise
defuse, fuse
debilitating, invigorating
danger, safety
guilt, innocence
issue, recall
scholarly, unscholarly
illogical, logical
fashionable, unfashionable
hopefully, hopelessly
beneficence, maleficence
desensitize, sensitize
focused, unfocused
insensitively, sensitively
nonobservance, observance
ambitiously, unambitiously
bound, unbound
consummated, unconsummated
demand, supply
immovability, movability
geared, ungeared
appealing, unappealing
nephew, niece
joyfully, joylessly
cosmopolitan, endemic
loved, unloved
backward, forward
lose, profit
mushroom, toadstool
lowland, upland
consideration, inconsideration
clutter, unclutter
domestic, undomestic
strongly, weakly
benevolently, malevolently
repentantly, unrepentantly
lower-class, upper-class
compartmented, uncompartmented
immunocompetent, immunodeficient
feminine, masculine
curdle, homogenize
civility, incivility
narrow, wide
manfully, unmanfully
felicitously, infelicitously
bibbed, bibless
equal, unequal
certify, decertify
fertile, sterile
tender, tough
nonsyllabic, syllabic
evenly, unevenly
acrocarpous, pleurocarpous
accustomed, unaccustomed
impressionable, unimpressionable
abducent, adducent
divisible, indivisible
hospitableness, inhospitableness
desirable, undesirable
demythologize, mythologize
invariableness, variableness
sharpness, softness
dependableness, undependableness
comprehensively, noncomprehensively
download, upload
burden, unburden
nonpregnant, pregnant
fashionably, unfashionably
scented, scentless
smilingly, unsmilingly
dishonorably, honorably
preventable, unpreventable
sleep, wake
irreverently, reverently
effectiveness, ineffectiveness
castrated, uncastrated
involuntarily, voluntarily
overstock, understock
competitive, noncompetitive
multivalent, univalent
impalpability, palpability
popularity, unpopularity
breasted, breastless
metallic, nonmetallic
faceted, unfaceted
overstatement, understatement
immortality, mortality
pointed, pointless
agonist, antagonist
early, middle
handled, handleless
alienable, inalienable
declared, undeclared
aquatic, terrestrial
intransitivity, transitivity
brainwashed, unbrainwashed
side, top
extrovert, introvert
fearfulness, fearlessness
coherently, incoherently
amended, unamended
catalectic, hypercatalectic
naturalness, unnaturalness
negativeness, positiveness
gradual, sudden
implacable, placable
insufficient, sufficient
sit, stand
nonreticulate, reticulate
exclusion, inclusion
lowborn, noble
have, lack
kinanesthesia, kinesthesia
caducous, persistent
illegality, legality
anticatalyst, catalyst
adulterating, purifying
off-street, on-street
deflation, disinflation
compliant, defiant
cross-eyed, walleyed
brachycephalic, dolichocephalic
narrow, widen
conductive, nonconductive
coiled, uncoiled
brightness, dullness
diversify, specialise
correctness, incorrectness
louden, quieten
attract, repel
even, odd
downstairs, upstairs
capitalistic, socialistic
breathing, breathless
mercifulness, mercilessness
unusual, usual
irrationally, rationally
chain, unchain
mononuclear, trinucleate
dress, undress
belted, unbelted
insoluble, soluble
ambiguous, unambiguous
constructiveness, destructiveness
pleasantly, unpleasantly
clockwise, counterclockwise
ascend, descend
inwardness, outwardness
flexible, inflexible
idle, work
critically, uncritically
adscript, subscript
monovalent, polyvalent
adiabatic, diabatic
impurity, purity
expensiveness, inexpensiveness
diversify, specialize
explicit, implicit
cleanliness, uncleanliness
hyperparathyroidism, hypoparathyroidism
attractive, repulsive
attentiveness, inattentiveness
appetizingness, unappetizingness
apologetic, unapologetic
contented, discontented
major, minor
dehumanize, humanize
inwardly, outwardly
aboral, oral
imprecisely, precisely
compatibility, incompatibility
afebrile, febrile
military, unmilitary
dispose, indispose
established, unestablished
blue-collar, white-collar
jawed, jawless
published, unpublished
nonwashable, washable
freeze, unfreeze
irregularly, regularly
hydric, mesic
disposable, nondisposable
compassionate, uncompassionate
realistically, unrealistically
principled, unprincipled
imperfect, perfect
disordered, ordered
worth, worthlessness
scheduled, unscheduled
highland, lowland
middle-class, upper-class
nonworker, worker
postnuptial, prenuptial
overestimate, underestimate
interestingly, uninterestingly
glorious, inglorious
abstain, consume
dramatically, undramatically
chromatic, diatonic
inseparably, separably
facultative, obligate
clement, inclement
infield, outfield
essential, inessential
swept, unswept
active, quiet
reassure, worry
lossless, lossy
downwardly, upwardly
unwholesomeness, wholesomeness
unventilated, ventilated
centralization, decentralization
joyful, sorrowful
dovishness, hawkishness
first, second
damaged, undamaged
anestrous, estrous
tracked, trackless
loving, unloving
finitely, infinitely
applicability, inapplicability
lock, unlock
charged, uncharged
maxi, mini
convenience, inconvenience
myelinated, unmyelinated
right, wrongly
abundance, scarcity
impolite, polite
conspicuously, inconspicuously
imperceptible, perceptible
extroversive, introversive
analytic, synthetic
acaudate, caudate
handmade, machine-made
caution, incaution
intolerable, tolerable
eager, uneager
terseness, verboseness
illegitimate, legitimate
fretted, unfretted
dramatic, undramatic
deflationary, inflationary
continental, intercontinental
excitingly, unexcitingly
relax, tense
high-tech, low-tech
competence, incompetence
intolerant, tolerant
weightless, weighty
achondritic, chondritic
restricted, unrestricted
exciting, unexciting
forgivably, unforgivably
heterologous, homologous
keep, lose
mobile, stabile
apojove, perijove
progress, regress
related, unrelated
hypotensive, normotensive
meaningful, meaningless
incoming, outgoing
off, on
immobility, mobility
newness, oldness
attentive, inattentive
defensively, offensively
devolution, evolution
de-ionate, ionate
discourage, encourage
acknowledged, unacknowledged
direct, indirect
cry, laugh
custom-made, ready-made
disincentive, incentive
calm, stormy
endocentric, exocentric
compliance, noncompliance
intrusive, unintrusive
abstractly, concretely
disobey, obey
covert, overt
beginning, middle
bellied, bellyless
tipped, untipped
being, nonbeing
unworthy, worthy
annual, biennial
insentient, sentient
disingenuousness, ingenuousness
compression, decompression
disprove, prove
ovoviviparous, viviparous
maximum, minimum
fairness, unfairness
actinomorphic, zygomorphic
late, middle
articulate, inarticulate
distinctness, indistinctness
imperishable, perishable
capacity, incapacity
objective, subjective
anal, oral
effectually, ineffectually
sparkling, still
hypertonia, hypotonia
adjective, substantive
intestate, testate
float, sink
humility, pride
concave, convex
familiar, strange
silence, sound
arenaceous, argillaceous
attached, detached
noticeable, unnoticeable
unwrap, wrap
gravitation, levitation
demonstrative, undemonstrative
expectedness, unexpectedness
handed, handless
husband, wife
luckily, unluckily
criminalisation, decriminalisation
endomorphic, mesomorphic
double, single
masochist, sadist
skinless, skinned
foot, head
quiet, unquiet
long-spurred, short-spurred
hyperopia, myopia
balance, unbalance
broken, unbroken
unwary, wary
summery, vernal
hierarchical, nonhierarchical
documented, undocumented
nonproliferation, proliferation
external, internal
unwellness, wellness
discreetly, indiscreetly
ambiversive, extroversive
tasteful, tasteless
screw, unscrew
advance, recede
counterfeit, genuine
intentionally, unintentionally
intelligible, unintelligible
resist, surrender
nonphotosynthetic, photosynthetic
counterfactuality, factuality
eusporangiate, leptosporangiate
allopatric, sympatric
harmonious, inharmonious
nontechnical, technical
orthodoxy, unorthodoxy
cenobitic, eremitic
tidy, untidy
familiar, unfamiliar
impersonally, personally
questionable, unquestionable
invalidate, validate
tune, untune
convertibility, inconvertibility
meatless, meaty
awkward, graceful
joy, sorrow
dehiscent, indehiscent
satisfactory, unsatisfactory
allochthonous, autochthonous
useful, useless
dehydrate, hydrate
valgus, varus
recognizably, unrecognizably
demystify, mystify
differentiate, integrate
stressed, unstressed
dishonest, honest
binucleate, trinucleate
assemble, disassemble
feminine, neuter
narrowness, wideness
contraction, expansion
industrial, nonindustrial
animate, inanimate
delicate, rugged
high, low
blind, sighted
reality, unreality
immateriality, materiality
misogyny, philogyny
immodesty, modesty
clear, unclear
demagnetise, magnetise
parallel, perpendicular
failure, success
proved, unproved
labeled, unlabeled
intrusive, protrusive
enforce, exempt
dominant, subordinate
freelance, salaried
born, unborn
constructive, destructive
dispensability, indispensability
go, no-go
lined, unlined
purge, rehabilitate
seasonably, unseasonably
anodic, cathodic
depart, stay
shared, unshared
unwearable, wearable
autumnal, wintry
categorematic, syncategorematic
pleasingness, unpleasingness
deductive, inductive
hollowness, solidity
inviting, uninviting
strengthening, weakening
direct, inverse
big, little
closeness, openness
expedience, inexpedience
crossed, uncrossed
impermissibility, permissibility
unveiled, veiled
concentrated, distributed
expatriate, repatriate
kern, kern
negative, neutral
green, ripe
matched, mismatched
ecdemic, endemic
talented, untalented
fitness, unfitness
datable, undatable
intelligibility, unintelligibility
belief, unbelief
intangible, tangible
dysgenics, eugenics
democratic, undemocratic
acceptability, unacceptability
active, dormant
desynchronise, synchronise
destructibility, indestructibility
virtuous, wicked
double-barreled, single-barreled
manly, unmanly
astringent, nonastringent
air-to-air, surface-to-air
atonicity, tonicity
extracellular, intracellular
familiarity, unfamiliarity
steady, unsteady
civilly, uncivilly
harden, soften
different, same
attractively, unattractively
chartered, unchartered
supportive, unsupportive
hide, show
marked, unmarked
midi, mini
impalpable, palpable
extraterritorial, territorial
curableness, incurableness
beginning, ending
full-time, half-time
centralizing, decentralizing
elegant, inelegant
endowed, unendowed
desynchronization, synchronization
citizen, noncitizen
finished, unfinished
sonic, subsonic
atonality, tonality
driver, nondriver
depression, elation
leaky, tight
divide, multiply
connectedness, unconnectedness
discernible, indiscernible
subjacent, superjacent
consonantal, vocalic
experience, inexperience
elegance, inelegance
husbandly, wifely
innocuous, noxious
acute, chronic
antimagnetic, magnetic
gusseted, ungusseted
mechanical, nonmechanical
known, unknown
heavy-duty, light-duty
certainty, uncertainty
aplacental, placental
insolvent, solvent
ectomorphic, mesomorphic
lamented, unlamented
inclined, vertical
clasp, unclasp
successfully, unsuccessfully
desirability, undesirability
affirmation, reversal
instructively, uninstructively
color, colorlessness
attack, defend
unweave, weave
improper, proper
happy, unhappy
disincarnate, incarnate
exclude, include
disable, enable
anaclinal, cataclinal
generous, ungenerous
applied, theoretical
inutility, utility
finiteness, infiniteness
autogamous, exogamous
insecureness, secureness
illogically, logically
amicable, hostile
peace, war
irresistible, resistible
impermanent, permanent
felicity, infelicity
unworldly, worldly
tame, wild
gaseous, solid
continued, discontinued
parallelogram, trapezium
feasibility, infeasibility
ambidextrous, right-handed
carnivorous, herbivorous
complicate, simplify
CISC, RISC
printable, unprintable
active, inactive
downwind, upwind
appointive, elective
camphorated, uncamphorated
mined, unmined
molar, molecular
rhetorical, unrhetorical
export, import
wigged, wigless
extensor, flexor
complex, simple
black, white
deciphered, undeciphered
characteristic, uncharacteristic
concise, prolix
equity, inequity
publicized, suppressed
female, male
smart, stupid
irresponsibility, responsibility
overachievement, underachievement
impermeable, permeable
dignified, undignified
adaptability, unadaptability
weedless, weedy
better, worse
nonpayment, payment
inopportuneness, opportuneness
illiterate, literate
enrich, impoverish
financial, nonfinancial
dishearten, hearten
aerobic, anaerobic
heterozygosity, homozygosity
demagnetize, magnetize
unwire, wire
clergy, laity
gracious, ungracious
looseness, tightness
reproducible, unreproducible
preceding, succeeding
intolerance, tolerance
quotable, unquotable
one-piece, two-piece
liveried, unliveried
decrement, increment
extended, unextended
attachable, detachable
anemophilous, entomophilous
background, foreground
antrorse, retrorse
carvel-built, clinker-built
compromising, uncompromising
downriver, upriver
altruistic, egoistic
loosen, stiffen
downgrade, upgrade
explode, implode
credibly, incredibly
immutable, mutable
retail, wholesale
extricable, inextricable
eucaryotic, procaryotic
excitable, unexcitable
benignity, malignity
impenetrable, penetrable
irresponsibly, responsibly
influential, uninfluential
argumentative, unargumentative
better, worsen
alternating, direct
rise, set
femaleness, maleness
bivalent, univalent
strength, weakness
skilled, unskilled
nonsteroidal, steroidal
favorable, unfavorable
all, no
nonsectarian, sectarian
exhausted, unexhausted
allogeneic, xenogeneic
bequeath, disinherit
insignificant, significant
antapex, apex
brave, timid
dehumidify, humidify
bold, timid
bettering, worsening
coldhearted, warmhearted
gutless, gutsy
nonparticipation, participation
colonise, decolonise
forgiving, unforgiving
patronized, unpatronized
corporeal, incorporeal
clearness, unclearness
double-breasted, single-breasted
spirited, spiritless
eradicable, ineradicable
aliquant, aliquot
anionic, cationic
illegible, legible
emotionally, unemotionally
posteriority, priority
motorized, unmotorized
moneyed, moneyless
seductive, unseductive
technophile, technophobe
beautify, uglify
boldness, timidity
unwillingness, willingness
stable, unstable
invisibility, visibility
injudiciousness, judiciousness
all, some
appreciation, depreciation
correctly, incorrectly
tactfully, tactlessly
enthusiastically, unenthusiastically
common, uncommon
discouraging, encouraging
buy, sell
ametabolic, metabolic
loud, soft
fruitful, unfruitful
desalinate, salinate
break, repair
acyclic, cyclic
crescendo, decrescendo
unwrinkled, wrinkled
empty, fill
distinct, indistinct
tactful, tactless
nonpolitical, political
center, left
herbivorous, omnivorous
endemic, epidemic
amphitropous, anatropous
impracticableness, practicableness
healthfulness, unhealthfulness
inquiring, uninquiring
disoblige, oblige
conformist, nonconformist
accuracy, inaccuracy
employee, employer
impartiality, partiality
steadily, unsteadily
sympathetically, unsympathetically
sensational, unsensational
shrink, stretch
infectious, noninfectious
criminalization, decriminalization
atomism, holism
accusatorial, inquisitorial
erect, unerect
obligatory, optional
deposit, withdraw
moonless, moonlit
largeness, smallness
criminalise, decriminalise
anisotropic, isotropic
hydric, xeric
professional, unprofessional
just, unjust
hurriedly, unhurriedly
altruism, egoism
formalism, imitation
illogicality, logicality
oblique, perpendicular
decorousness, indecorousness
multidimensional, unidimensional
clog, unclog
noticed, unnoticed
combinative, noncombinative
harness, unharness
inpatient, outpatient
irreversible, reversible
unveil, veil
bedded, bedless
opisthognathous, prognathous
enforced, unenforced
disentangle, entangle
impenitent, penitent
depersonalize, personalize
tangled, untangled
loaded, unloaded
nonrigid, rigid
exempt, nonexempt
like, unlike
bore, interest
restraint, unrestraint
creative, uncreative
asyndetic, syndetic
deficit, lead
armament, disarmament
Cryptogamia, Phanerogamae
detected, undetected
melted, unmelted
dark, light
conspicuousness, inconspicuousness
perinatal, prenatal
painted, unpainted
equally, unequally
frivolity, seriousness
often, rarely
dissuasion, persuasion
loamless, loamy
badness, goodness
aunt, uncle
extinguishable, inextinguishable
approvingly, disapprovingly
artificial, natural
lax, tense
toothed, toothless
necked, neckless
listed, unlisted
tapped, untapped
favorableness, unfavorableness
dysphemism, euphemism
drinkable, undrinkable
bare, covered
pronounceable, unpronounceable
saponified, unsaponified
intervention, nonintervention
ignore, know
comparable, incomparable
linear, planar
compound, simple
cold, hot
concentration, dilution
bottom-up, top-down
couple, uncouple
future, past
auspiciously, inauspiciously
thoughtfully, thoughtlessly
precedentedly, unprecedentedly
nonsubmersible, submersible
devitalize, vitalize
imprudent, prudent
cubic, linear
commutable, incommutable
fresh, salty
categoreme, syncategoreme
bivalve, univalve
plural, singular
caudal, cephalic
hairiness, hairlessness
sunrise, sunset
enterprising, unenterprising
stableness, unstableness
extensile, nonextensile
nominal, real
extrospective, introspective
consolable, inconsolable
inorganically, organically
eastern, western
best, worst
abnormal, normal
distrust, trust
impractical, practical
acquittal, conviction
desirous, undesirous
anterograde, retrograde
oblate, prolate
explosive, nonexplosive
pretentious, unpretentious
corrupt, incorrupt
tied, untied
discriminating, undiscriminating
realistic, unrealistic
unwind, wind
lawfulness, unlawfulness
fissionable, nonfissionable
surprising, unsurprising
bearing, nonbearing
nonsmoker, smoker
diversified, undiversified
forte, piano
activity, inactivity
defeated, undefeated
emigrate, immigrate
disobedient, obedient
competently, incompetently
consistency, inconsistency
tongued, tongueless
decently, indecently
farsighted, nearsighted
advertently, inadvertently
discipline, indiscipline
downstream, upstream
flattering, unflattering
maximally, minimally
fresh, preserved
neighborliness, unneighborliness
exhale, inhale
sugarless, sugary
planted, unplanted
composed, discomposed
perceptive, unperceptive
admissibility, inadmissibility
efficiently, inefficiently
affinity, consanguinity
obstructed, unobstructed
constricted, unconstricted
afferent, efferent
joyless, joyous
autologous, homologous
permissiveness, unpermissiveness
figure, ground
literalize, spiritualize
monophony, polyphony
audibly, inaudibly
stuff, unstuff
decorously, indecorously
posed, unposed
conclusively, inconclusively
linear, nonlinear
pack, unpack
stand, yield
hit, miss
entozoic, epizoic
insectivorous, omnivorous
desensitizing, sensitizing
dystopian, utopian
begrudge, wish
hospitable, inhospitable
hypertonus, hypotonus
hypernatremia, hyponatremia
fixed, unfixed
columned, noncolumned
down, up
curdle, homogenise
nonparticulate, particulate
institutionalized, noninstitutionalized
no, some
democratically, undemocratically
yang, yin
exploited, unexploited
thematic, unthematic
fearfully, fearlessly
insolvency, solvency
immaterial, material
attach, detach
numerical, verbal
inoffensively, offensively
assimilate, dissimilate
snarl, unsnarl
divide, unite
boycott, patronize
inshore, offshore
insecurely, securely
inferiority, superiority
north, south
absorbency, nonabsorbency
disjoin, join
balance, imbalance
nonpartisan, partisan
atomistic, holistic
seemliness, unseemliness
inside, outside
faithful, unfaithful
cheap, expensive
branded, unbranded
nonruminant, ruminant
dock, undock
clean, unclean
intangibility, tangibility
pointedness, unpointedness
conditionally, unconditionally
fear, fearlessness
generosity, stinginess
bridle, unbridle
beneficed, unbeneficed
drunkenness, soberness
distinguishable, indistinguishable
succumb, survive
amphibious, terrestrial
angry, unangry
externally, internally
susceptible, unsusceptible
central, peripheral
powered, unpowered
nonvolatile, volatile
endogamy, exogamy
errancy, inerrancy
consumptive, generative
directly, indirectly
radiolucent, radiopaque
empirically, theoretically
disorganise, organise
magnetic, nonmagnetic
clarity, opacity
aptitude, inaptitude
invisible, visible
devoice, voice
confidence, diffidence
nonreciprocal, reciprocal
masculine, neuter
armed, unarmed
soured, unsoured
unwarily, warily
hygienically, unhygienically
critical, uncritical
denaturalize, naturalize
malted, unmalted
painfully, painlessly
ill-advised, well-advised
deceive, undeceive
porosity, solidity
ascent, descent
federal, unitary
fasten, unfasten
diplomatically, undiplomatically
cauline, radical
selfish, unselfish
broad-mindedness, narrow-mindedness
acceleration, deceleration
seaworthy, unseaworthy
nontranslational, translational
memorably, unmemorably
airworthy, unairworthy
composure, discomposure
germfree, germy
conceit, humility
imperceptibly, perceptibly
fractional, whole
friendliness, unfriendliness
autumnal, vernal
meaningfulness, meaninglessness
stemless, stemmed
overstate, understate
felicitous, infelicitous
acid-loving, alkaline-loving
judgmental, nonjudgmental
adroitly, maladroitly
interference, noninterference
gratefully, ungratefully
coordination, incoordination
feathered, unfeathered
sour, sweet
buckle, unbuckle
compatibly, incompatibly
obscurity, prominence
immotility, motility
eligible, ineligible
claim, forfeit
immediacy, mediacy
destabilization, stabilization
happily, sadly
hypertensive, normotensive
invertible, non-invertible
susceptibility, unsusceptibility
fire, hire
attributive, predicative
critical, noncritical
hairless, hairy
alkaline, amphoteric
adsorbent, nonadsorbent
humane, inhumane
high-rise, low-rise
accentual, quantitative
inoffensive, offensive
illness, wellness
mown, unmown
offshore, onshore
overvalue, undervalue
collected, uncollected
atonic, tonic
migratory, nonmigratory
acutely, chronically
dedicated, undedicated
inoperative, operative
hyperkalemia, hypokalemia
crooked, straight
content, discontent
gutlessness, gutsiness
asymmetry, symmetry
irremovable, removable
humorless, humorous
destabilise, stabilize
ceilinged, floored
profound, superficial
cautious, incautious
acropetal, basipetal
considerable, inconsiderable
dioecious, monoecious
binaural, monaural
pigeon-toed, splayfooted
contestable, incontestable
cold-blooded, warm-blooded
dysphoria, euphoria
oblique, parallel
anastigmatic, astigmatic
off-line, on-line
anonymous, onymous
insufficiently, sufficiently
emptiness, fullness
nonracial, racial
autogenous, heterogenous
distrustful, trustful
existent, nonexistent
summerize, winterize
dextrorotation, levorotation
graciousness, ungraciousness
creditor, debtor
even, uneven
nonspherical, spherical
courtesy, discourtesy
satisfactorily, unsatisfactorily
reverberant, unreverberant
immiscible, miscible
cross-pollination, self-pollination
fair, unfair
effector, receptor
destabilise, stabilise
careful, careless
loudly, softly
roughen, smooth
depressurize, pressurize
credulous, incredulous
dull, lively
hypertensive, hypotensive
cash, credit
naturally, unnaturally
belt, unbelt
native, nonnative
explicitly, implicitly
disinclined, inclined
impolitic, politic
nonretractile, retractile
employment, unemployment
fold, unfold
beginning, end
colorful, colorless
deflation, inflation
finite, infinite
comprehension, incomprehension
insufficiency, sufficiency
day, night
responsive, unresponsive
conscientiousness, unconscientiousness
expedient, inexpedient
studied, unstudied
harmful, harmless
unwariness, wariness
brother, sister
nontaxable, taxable
provocative, unprovocative
antonymous, synonymous
truthful, untruthful
anhydrous, hydrous
active, extinct
multinucleate, uninucleate
enclosed, unenclosed
endogenic, exogenic
imprudently, prudently
shaven, unshaven
dethrone, enthrone
tidiness, untidiness
assigned, unassigned
offside, onside
inopportunely, opportunely
in-basket, out-basket
drinker, nondrinker
impracticability, practicability
designed, undesigned
exploratory, nonexploratory
intolerantly, tolerantly
constancy, inconstancy
gratitude, ingratitude
nonsignificant, significant
adaptable, unadaptable
desensitise, sensitise
deteriorate, recuperate
gloved, gloveless
highness, lowness
surprised, unsurprised
reasonable, unreasonable
unwitting, witting
acceptably, unacceptably
playful, unplayful
defeasible, indefeasible
cardinal, ordinal
naive, sophisticated
illegitimacy, legitimacy
converge, diverge
displeasing, pleasing
bivalent, multivalent
comparably, incomparably
modifiable, unmodifiable
analysis, synthesis
dorsal, ventral
responsiveness, unresponsiveness
unworthiness, worthiness
informed, uninformed
rimless, rimmed
cacophonous, euphonious
declaratory, interrogatory
lumper, splitter
impoliteness, politeness
conditioned, unconditioned
optimism, pessimism
contraindicate, indicate
break, make
domineering, submissive
fidelity, infidelity
unwelcome, welcome
wheeled, wheelless
disenfranchised, enfranchised
concerned, unconcerned
lighted, unlighted
gravity, levity
neutral, positive
automatic, manual
breakableness, unbreakableness
benignancy, malignancy
clearheaded, confused
lawfully, unlawfully
cork, uncork
busy, idle
disinflation, inflation
defence, offence
profundity, superficiality
original, unoriginal
arming, disarming
comedy, tragedy
irregular, regular
evenness, unevenness
approbate, reprobate
naivete, sophistication
hydrokinetic, hydrostatic
funded, unfunded
abaxial, adaxial
bigness, littleness
centrally, peripherally
supervised, unsupervised
equivocalness, unequivocalness
dextral, sinistral
advance, retreat
immoderate, moderate
disingenuous, ingenuous
permanently, temporarily
offstage, onstage
oleophilic, oleophobic
convincing, unconvincing
staged, unstaged
heedful, heedless
antemortem, postmortem
formally, informally
deflate, inflate
contested, uncontested
fictional, nonfictional
enlightening, unenlightening
coil, uncoil
encumbered, unencumbered
blemished, unblemished
immorally, morally
lubricated, unlubricated
apropos, malapropos
commonness, uncommonness
new, old
full-time, part-time
curious, incurious
inbred, outbred
strain, unstrain
dissonance, harmony
concentricity, eccentricity
box, unbox
hardhearted, softhearted
cheaply, expensively
unweaned, weaned
sour, sweeten
hipless, hipped
unwebbed, webbed
conventional, nuclear
de-energise, energise
efficacy, inefficacy
available, unavailable
collective, distributive
inspiring, uninspiring
spell, unspell
defined, undefined
fissile, nonfissile
discerning, undiscerning
immanent, transeunt
overact, underact
benevolence, malevolence
boil, freeze
insurmountable, surmountable
acceptable, unacceptable
let, prevent
improvidence, providence
qualified, unqualified
acuteness, obtuseness
contrasty, flat
essentiality, inessentiality
rotor, stator
braid, unbraid
proximate, ultimate
dependent, independent
scrupulous, unscrupulous
anamorphism, katamorphism
endothermic, exothermic
palatable, unpalatable
hopefulness, hopelessness
invariability, variability
awakened, unawakened
immoderately, moderately
overpay, underpay
acquit, convict
invulnerability, vulnerability
mask, unmask
inorganic, organic
deprive, enrich
ferned, fernless
brave, cowardly
immodest, modest
credulously, incredulously
dissuasive, persuasive
intelligibly, unintelligibly
foolish, wise
cenogenetic, palingenetic
futurity, pastness
involved, uninvolved
helpful, unhelpful
baptized, unbaptized
generalize, specify
seamed, seamless
bound, free
armed, armless
ashamedly, unashamedly
docile, stubborn
minus, plus
disorganize, organize
immorality, morality
irregularity, regularity
sedate, stimulate
heedfulness, heedlessness
exchangeable, unexchangeable
nontraditional, traditional
comprehensibility, incomprehensibility
sworn, unsworn
environmentalism, hereditarianism
junior, senior
anadromous, catadromous
assisted, unassisted
associate, dissociate
fewer, more
seedless, seedy
disunion, union
helpfully, unhelpfully
flat, natural
demilitarize, militarize
contamination, decontamination
conductor, insulator
disparage, flatter
unwilling, willing
divest, invest
acquaintance, stranger
irreverence, reverence
fallible, infallible
flowering, flowerless
muzzle, unmuzzle
appropriate, inappropriate
failing, passing
insincerity, sincerity
pretentiousness, unpretentiousness
extensive, intensive
frivolous, serious
imitative, nonimitative
achiever, loser
exportable, unexportable
faithfully, unfaithfully
sized, unsized
deaf, hearing
caulked, uncaulked
cellular, noncellular
affectedness, unaffectedness
requested, unrequested
cortex, medulla
overhand, underhand
fruitfulness, fruitlessness
alcoholic, nonalcoholic
grammatically, ungrammatically
instrumental, vocal
concern, unconcern
legato, staccato
avoid, confront
illegibly, legibly
classified, unclassified
contaminate, decontaminate
appealingly, unappealingly
hate, love
propitiously, unpropitiously
presidential, unpresidential
conveniently, inconveniently
amply, meagerly
delay, rush
re-entrant, salient
ample, meager
infernal, supernal
exactly, inexactly
agitated, unagitated
cacodemon, eudemon
unusualness, usualness
treated, untreated
inheritable, noninheritable
improved, unimproved
heavily, lightly
sanitary, unsanitary
eyed, eyeless
conformity, nonconformity
clarity, obscurity
clothed, unclothed
regulated, unregulated
ceremoniousness, unceremoniousness
short, tall
commodious, incommodious
intelligently, unintelligently
profitable, unprofitable
immediate, mediate
due, undue
painful, painless
free, obstruct
christian, unchristian
grateful, ungrateful
equatorial, polar
crystallized, uncrystallized
official, unofficial
king, queen
leaded, unleaded
sociability, unsociability
dimmed, undimmed
collateral, lineal
advantage, disadvantage
foreign, native
knot, unknot
integration, segregation
shrinkable, unshrinkable
respectable, unrespectable
distrustfully, trustfully
fit, unfit
false, true
evilness, goodness
stratified, unstratified
intractability, tractability
bisexual, homosexual
repentant, unrepentant
expected, unexpected
calcify, decalcify
masochistic, sadistic
extraordinary, ordinary
feed, starve
consequentially, inconsequentially
harmonic, nonharmonic
chaste, unchaste
abstemious, gluttonous
decision, indecision
dystopia, utopia
hesitantly, unhesitatingly
denationalise, nationalise
lie, sit
powerful, powerless
amateur, professional
bicameral, unicameral
conscientious, unconscientious
draftee, volunteer
generalist, specialist
bisexual, heterosexual
allow, disallow
endotoxin, exotoxin
instability, stability
absolve, blame
odorless, odorous
insalubriousness, salubriousness
trustiness, untrustiness
fat, thin
overshoot, undershoot
Arianism, Athanasianism
dull, sharpen
ready, unready
follow, precede
approachability, unapproachability
analogue, digital
courteously, discourteously
augmentation, diminution
diluted, undiluted
artfulness, artlessness
difficult, easy
extraversion, introversion
crystalline, noncrystalline
high-sudsing, low-sudsing
cerebral, emotional
afraid, unafraid
half, whole
congruity, incongruity
freshness, staleness
insatiate, satiate
lentic, lotic
steadiness, unsteadiness
angular, rounded
insincerely, sincerely
guilty, innocent
accurately, inaccurately
acute, obtuse
egalitarian, elitist
accelerate, decelerate
annual, perennial
acatalectic, catalectic
paintable, unpaintable
concealing, revealing
enforceable, unenforceable
antemeridian, postmeridian
satisfactoriness, unsatisfactoriness
nonporous, porous
disinfect, infect
digitigrade, plantigrade
optimist, pessimist
grassless, grassy
disenchant, enchant
appealable, unappealable
effective, ineffective
gladden, sadden
power, powerlessness
hydrophilic, hydrophobic
general, local
continuance, discontinuance
seasoned, unseasoned
borrow, lend
agreeably, disagreeably
integrated, nonintegrated
autologous, heterologous
cubic, planar
ecdemic, epidemic
overexpose, underexpose
defendant, plaintiff
anticholinergic, cholinergic
congruous, incongruous
specified, unspecified
congruent, incongruent
acidify, alkalize
contemptible, estimable
beaked, beakless
nonprofessional, professional
scripted, unscripted
invasive, noninvasive
insured, uninsured
impaired, unimpaired
capable, incapable
cleared, uncleared
following, leading
apocrine, eccrine
adhesive, nonadhesive
definite, indefinite
abactinal, actinal
unvariedness, variedness
palatably, unpalatably
decorum, indecorum
topless, topped
holophytic, holozoic
regretful, unregretful
credit, debit
bar, unbar
actively, passively
profitably, unprofitably
auspicious, inauspicious
disembarkation, embarkation
maximise, minimise
purposeful, purposeless
crookedness, straightness
gross, net
longness, shortness
abruptness, gradualness
medical, surgical
bodied, unbodied
audibility, inaudibility
adequacy, inadequacy
improperness, properness
dullness, sharpness
purposefulness, purposelessness
isometric, isotonic
hard, soft
rusted, rustless
oviparous, viviparous
irremediable, remediable
linguistic, nonlinguistic
loading, unloading
international, national
truthfulness, untruthfulness
disorient, orient
ascending, descending
fauna, flora
anticyclone, cyclone
immutableness, mutableness
begin, end
strengthen, weaken
determined, undetermined
connected, unconnected
monotheism, polytheism
ambiguity, unambiguity
dissimilarity, similarity
opacity, transparency
natural, unnatural
ignore, notice
descriptive, prescriptive
azonal, zonal
eloquently, ineloquently
orthodox, unorthodox
northern, southern
unwrapped, wrapped
unwanted, wanted
biped, quadruped
permissive, preventive
manageable, unmanageable
conscious, unconscious
denitrify, nitrify
broad-minded, narrow-minded
popular, unpopular
portable, unportable
irreducible, reducible
crowded, uncrowded
consecrate, desecrate
loser, winner
contentment, discontentment
other, same
rested, tired
sociable, unsociable
indoor, outdoor
credible, incredible
necessary, unnecessary
impervious, pervious
endergonic, exergonic
insolubility, solubility
asset, liability
wired, wireless
civil, sidereal
immeasurable, measurable
alike, unalike
disorderliness, orderliness
parented, unparented
formality, informality
lucky, unlucky
commensurate, incommensurate
laced, unlaced
immeasurably, measurably
propitiousness, unpropitiousness
acceptive, rejective
spineless, spinous
obtrusiveness, unobtrusiveness
no, yes
confirmed, unconfirmed
abundant, scarce
hungry, thirsty
beauty, ugliness
bordered, unbordered
nonrepresentational, representational
multiform, uniform
despair, hope
silenced, unsilenced
contracted, expanded
overdress, underdress
trained, untrained
combed, uncombed
saddled, unsaddled
irrational, rational
reportable, unreportable
membered, memberless
centralize, decentralize
exterior, interior
importance, unimportance
pin, unpin
sent, unsent
arrive, leave
achlamydeous, chlamydeous
detransitivize, transitivize
tameness, wildness
toned, toneless
Anglican, Nonconformist
anterior, posterior
reliable, unreliable
opposed, unopposed
break, keep
immunocompetence, immunodeficiency
beneficent, maleficent
absent, present
perceptiveness, unperceptiveness
generally, specifically
foreignness, nativeness
bolt, unbolt
earthly, heavenly
enthusiastic, unenthusiastic
continuous, discontinuous
hypervolemia, hypovolemia
easy, uneasy
planned, unplanned
kindness, unkindness
addicted, unaddicted
anapsid, diapsid
intelligence, stupidity
nidicolous, nidifugous
depersonalise, personalise
primary, secondary
characteristically, uncharacteristically
imperceptibility, perceptibility
rightfulness, wrongfulness
believingly, unbelievingly
capableness, incapableness
animateness, inanimateness
aposelene, periselene
inner, outer
understood, ununderstood
anabolism, catabolism
authorized, unauthorized
earliness, lateness
hardened, soft
structured, unstructured
nonviolent, violent
changeable, unchangeable
able, unable
ambiguously, unambiguously
downwards, upwards
fallibility, infallibility
carefulness, carelessness
stifle, stimulate
insentience, sentience
capability, incapability
premeditated, unpremeditated
broad-mindedly, narrow-mindedly
grammatical, ungrammatical
destabilisation, stabilisation
instructive, uninstructive
dicotyledonous, monocotyledonous
nonpsychoactive, psychoactive
maternal, paternal
efficiency, inefficiency
happiness, unhappiness
necessarily, unnecessarily
hardware, software
sink, source
unwooded, wooded
horizontal, vertical
assent, dissent
allopatry, sympatry
binaurally, monaurally
noisily, quietly
current, noncurrent
sociably, unsociably
nonreversible, reversible
subsonic, supersonic
ionic, nonionic
fancy, plain
alternate, opposite
improbability, probability
musical, unmusical
disenfranchise, enfranchise
end, middle
real, unreal
insensitive, sensitive
convergency, divergency
anabolic, catabolic
exhaustible, inexhaustible
addictive, nonaddictive
Heaven, Hell
hypertension, hypotension
losings, winnings
brighten, darken
efficacious, inefficacious
patriotically, unpatriotically
disreputability, reputability
relaxed, tense
systematic, unsystematic
antonym, synonym
sure, unsure
remarkably, unremarkably
forgettable, unforgettable
anode, cathode
pastness, presentness
aptness, inaptness
self-consciously, unselfconsciously
idiographic, nomothetic
intoxicated, sober
expediently, inexpediently
perinatal, postnatal
compressibility, incompressibility
heavy, light
dissatisfy, satisfy
bottom, side
translatable, untranslatable
majority, minority
irresponsible, responsible
unwieldy, wieldy
exculpatory, inculpatory
forward, reverse
act, refrain
sexy, unsexy
accessible, inaccessible
patterned, plain
antagonistic, conciliatory
monotonic, nonmonotonic
cheerful, depressing
adopted, native
binucleate, mononuclear
nonresident, resident
adventurous, unadventurous
extension, flexion
imaginatively, unimaginatively
servile, unservile
completeness, incompleteness
concealed, unconcealed
comprehensive, noncomprehensive
rhythmical, unrhythmical
likelihood, unlikelihood
hardness, softness
full-term, premature
equivalence, nonequivalence
nonspeaking, speaking
elasticity, inelasticity
pleasantness, unpleasantness
illicit, licit
adoptable, unadoptable
reassuring, unreassuring
ethical, unethical
rightness, wrongness
nonprescription, prescription
bottomed, bottomless
deregulate, regulate
legged, legless
curved, straight
abranchiate, branchiate
inoperable, operable
particular, universal
amateurishly, expertly
activation, deactivation
impermissible, permissible
opposable, unopposable
away, home
idle, run
old, young
illicitly, licitly
congruousness, incongruousness
competitively, noncompetitively
disservice, service
congeniality, uncongeniality
improbable, probable
attached, unattached
expansive, unexpansive
equitably, inequitably
captor, liberator
activator, inhibitor
headed, unheaded
coastal, inland
nonspatial, spatial
filial, parental
dishonorableness, honorableness
expendable, unexpendable
move, stay
emotional, unemotional
illegal, legal
defend, prosecute
attractiveness, unattractiveness
asleep, awake
boneless, bony
poverty, wealth
prospective, retrospective
demanding, undemanding
child, parent
gather, spread
bounce, clear
punitive, rehabilitative
equality, inequality
strap, unstrap
dislodge, lodge
differentiated, undifferentiated
fresh, stale
multiply, singly
artificially, naturally
profitableness, unprofitableness
fragrant, malodorous
antinode, node
expressively, inexpressively
downstage, upstage
thermoplastic, thermosetting
androgynous, male
religious, secular
imponderable, ponderable
gradual, steep
disloyalty, loyalty
futurity, presentness
conspicuous, inconspicuous
acarpelous, carpellate
nay, yea
starchless, starchy
classification, declassification
wane, wax
immortal, mortal
admit, reject
asynchronous, synchronous
libertarian, necessitarian
ill, well
fastened, unfastened
factory-made, homemade
right, wrong
explicable, inexplicable
have, miss
anisotropy, isotropy
expressible, inexpressible
greater, lesser
nonrandom, random
dispensableness, indispensableness
horned, hornless
demerit, merit
equitable, inequitable
allow, deny
obligated, unobligated
mitigated, unmitigated
calced, discalced
impotency, potency
postdate, predate
paid, unpaid
figuratively, literally
criticize, praise
contract, expand
impreciseness, preciseness
biennial, perennial
bend, straighten
insignificantly, significantly
allopathic, homeopathic
shelled, unshelled
dedifferentiate, differentiate
functioning, malfunctioning
adjusted, maladjusted
insignificance, significance
haploid, polyploid
passing, running
permissive, unpermissive
intemperate, temperate
statesmanlike, unstatesmanlike
anaphrodisia, aphrodisia
conclusiveness, inconclusiveness
affirm, negate
enter, exit
dry, sweet
astigmatism, stigmatism
seal, unseal
bowed, plucked
crucial, noncrucial
recto, verso
progressive, regressive
tucked, untucked
immaturity, maturity
suitably, unsuitably
black-and-white, color
paved, unpaved
becomingness, unbecomingness
classicist, romanticist
roughness, smoothness
hyperglycemia, hypoglycemia
less, more
left, right
desegregate, segregate
functional, nonfunctional
dove, hawk
exaugural, inaugural
adult, juvenile
inhabited, uninhabited
disenchanted, enchanted
fast, slow
anastalsis, peristalsis
courage, cowardice
flatten, sharpen
frozen, unfrozen
lost, won
thoughtfulness, unthoughtfulness
controversially, uncontroversially
absolute, relative
centrifugal, centripetal
connect, disconnect
awned, awnless
unwoven, woven
downtown, uptown
publishable, unpublishable
pedunculate, sessile
hyperpigmentation, hypopigmentation
one-piece, three-piece
friendly, unfriendly
humble, proud
back, front
imprecision, precision
disintegrative, integrative
adjusted, unadjusted
hospitality, inhospitality
earned, unearned
persuasiveness, unpersuasiveness
solvability, unsolvability
nonpasserine, passerine
disrespectfully, respectfully
seated, standing
gracefully, ungracefully
depress, elate
action, inaction
falling, rising
admissible, inadmissible
boycott, patronise
geometrically, linearly
attendance, nonattendance
abnormality, normality
righteous, unrighteous
arbitrary, nonarbitrary
discriminate, indiscriminate
employed, unemployed
discouragingly, encouragingly
vernal, wintry
ever, never
quickly, slowly
inflow, outflow
darken, lighten
romantically, unromantically
civilized, noncivilized
consistently, inconsistently
hyperthyroidism, hypothyroidism
arboreal, nonarboreal
prejudiced, unprejudiced
natural, supernatural
cosmopolitan, provincial
commercial, noncommercial
colored, uncolored
likeliness, unlikeliness
audible, inaudible
disrespectful, respectful
sheathe, unsheathe
gregarious, ungregarious
empty, full
decreased, increased
carpeted, uncarpeted
faithfulness, unfaithfulness
cheerfulness, uncheerfulness
toed, toeless
disrespect, respect
falsity, truth
integrated, segregated
awed, unawed
front, rear
impure, pure
fortissimo, pianissimo
inflected, uninflected
married, unmarried
monochromatic, polychromatic
multiparous, uniparous
concavely, convexly
imperfectibility, perfectibility
considerately, inconsiderately
accessibility, inaccessibility
thinkable, unthinkable
nonoperational, operational
irreverent, reverent
echoic, nonechoic
overgarment, undergarment
irresolute, resolute
impossible, possible
communicate, excommunicate
fail, succeed
unvoiced, voiced
antiseptic, septic
disreputable, reputable
disqualify, qualify
monophonic, polyphonic
impolitely, politely
graciously, ungraciously
antecedent, subsequent
savory, unsavory
complimentary, uncomplimentary
soundness, unsoundness
forgivingly, unforgivingly
intolerably, tolerably
insalubrity, salubrity
conformism, nonconformism
coarsely, finely
polished, unpolished
officially, unofficially
ambiversive, introversive
ionized, nonionized
tuneful, tuneless
consciousness, unconsciousness
determinable, indeterminable
invalid, valid
awkwardness, gracefulness
active, passive
moved, unmoved
human, nonhuman
signed, unsigned
aft, fore
nonradioactive, radioactive
sessile, vagile
categorem, syncategorem
dislike, liking
combustible, noncombustible
dysphemistic, euphemistic
accept, reject
hypertonic, isotonic
thickness, thinness
deductible, nondeductible
breakable, unbreakable
winged, wingless
insincere, sincere
injudiciously, judiciously
appear, disappear
dematerialize, materialize
obvious, unobvious
multiple, single
easterly, westerly
neurotic, unneurotic
affected, unaffected
refresh, tire
merciful, merciless
privately, publicly
malleability, unmalleability
leptorrhine, platyrrhine
nonsuppurative, suppurative
civil, uncivil
generality, particularity
fortunately, unfortunately
de-escalate, escalate
impermanence, permanence
disobedience, obedience
least, most
decisively, indecisively
occupied, unoccupied
intermediate, terminal
corruptness, incorruptness
hitch, unhitch
alignment, nonalignment
conventionally, unconventionally
ironed, unironed
covertly, overtly
knowingly, unknowingly
atheism, theism
happily, unhappily
ravel, unravel
decency, indecency
lie, stand
demotion, promotion
leeward, windward
insane, sane
effervescent, noneffervescent
scrupulousness, unscrupulousness
acrocarp, pleurocarp
esoteric, exoteric
costive, laxative
continent, incontinent
oviparous, ovoviviparous
renewable, unrenewable
deep, shallow
enlightenment, unenlightenment
clarify, obfuscate
lidded, lidless
pro-choice, pro-life
mesic, xeric
differ, equal
disembark, embark
bright, dull
above, below
defense, prosecution
constitutional, unconstitutional
color, discolor
fewest, most
crannied, uncrannied
clean, dirty
communicativeness, uncommunicativeness
constitutionally, unconstitutionally
acaulescent, caulescent
aggressive, unaggressive
decline, improvement
mindfully, unmindfully
dangerous, safe
allopathy, homeopathy
forget, remember
tearful, tearless
thickly, thinly
extraordinariness, ordinariness
abstract, concrete
anteriority, posteriority
loosening, tightening
enlightened, unenlightened
interesting, uninteresting
heterozygous, homozygous
benign, malignant
maxi, midi
framed, unframed
continue, discontinue
alterability, unalterability
Romanticism, classicism
rewarding, unrewarding
communicative, uncommunicative
adorned, unadorned
trimmed, untrimmed
reliably, unreliably
broadly, narrowly
impermeability, permeability
proactive, retroactive
informative, uninformative
blur, focus
general, specific
manageably, unmanageably
running, standing
depressant, stimulative
free, unfree
disabling, enabling
suitability, unsuitability
believe, disbelieve
achromatinic, chromatinic
cut, uncut
member, nonmember
falsehood, truth
dynamic, undynamic
appreciate, depreciate
respectability, unrespectability
improperly, properly
implausibility, plausibility
eventful, uneventful
immaturely, maturely
corrigible, incorrigible
cross, uncross
aperiodic, periodic
admit, exclude
social, unsocial
cover, uncover
shapely, unshapely
negative, positive
burdened, unburdened
carinate, ratite
fail, manage
postprandial, preprandial
consciously, unconsciously
clear, opaque
hateful, lovable
suspected, unsuspected
certain, uncertain
heterocercal, homocercal
brotherly, sisterly
misused, used
restful, restless
out, safe
heaviness, lightness
mental, physical
anadromous, diadromous
atrophied, hypertrophied
deglycerolize, glycerolize
self-consciousness, unselfconsciousness
consistent, inconsistent
altered, unaltered
derequisition, requisition
dematerialise, materialise
impiety, piety
fairly, unfairly
diachronic, synchronic
atonal, tonal
cultivated, uncultivated
sheathed, unsheathed
hollow, solid
godliness, ungodliness
tie, untie
successful, unsuccessful
antitype, type
restrained, unrestrained
monotheistic, polytheistic
exactness, inexactness
non-proliferation, proliferation
generous, stingy
rusticity, urbanity
cross-fertilization, self-fertilization
insubordination, subordination
attraction, repulsion
dissimilitude, similitude
nonterritorial, territorial
assertive, unassertive
bear, bull
harmfully, harmlessly
contaminated, uncontaminated
absorbable, adsorbable
malnourished, nourished
basic, incidental
comprehensible, incomprehensible
holiness, unholiness
dead, living
contralateral, ipsilateral
endoergic, exoergic
styleless, stylish
invariable, variable
eared, earless
innumerate, numerate
unwillingly, willingly
mated, unmated
stimulating, unstimulating
analogous, homologous
extant, extinct
ribbed, ribless
abolish, establish
generic, varietal
spoken, written
ceremoniously, unceremoniously
disfluency, fluency
dependable, undependable
agreement, disagreement
limited, unlimited
footed, footless
Lady, Lord
coordinating, subordinating
found, lost
salable, unsalable
downward, upward
predictability, unpredictability
digestible, indigestible
unwholesome, wholesome
dependably, undependably
alive, dead
traceable, untraceable
blended, unblended
priestly, unpriestly
advantageously, disadvantageously
censored, uncensored
illegibility, legibility
optimistic, pessimistic
scalable, unscalable
regenerate, unregenerate
favorably, unfavorably
big, small
excusably, inexcusably
dying, nascent
disenfranchisement, enfranchisement
give, take
anti, pro
coldness, hotness
civilian, military
destructible, indestructible
immoral, moral
illiberality, liberality
dissuade, persuade
avirulent, virulent
centralized, decentralized
efflux, influx
controlled, uncontrolled
ambiversion, extraversion
staple, unstaple
demulsify, emulsify
approbation, disapprobation
location, studio
merited, unmerited
absorbent, nonabsorbent
criminalize, decriminalize
bend, unbend
patriotic, unpatriotic
apophatism, cataphatism
laureled, unlaureled
blacken, whiten
heavy-footed, light-footed
legalise, outlaw
comfort, discomfort
aged, young
sonic, supersonic
future, present
fair, foul
birth, death
angularity, roundness
otherworldliness, worldliness
cenobite, eremite
association, disassociation
sleeved, sleeveless
gathered, ungathered
hyperpnea, hypopnea
bidirectional, unidirectional
centralise, decentralize
ethically, unethically
owned, unowned
righteousness, unrighteousness
soled, soleless
agree, disagree
destroyed, preserved
altricial, precocial
obverse, reverse
intelligent, unintelligent
repeatable, unrepeatable
bottle-fed, breast-fed
consonant, vowel
extrusive, intrusive
accordant, discordant
fueled, unfueled
pleasant, unpleasant
de-iodinate, iodinate
abridged, unabridged
animated, unanimated
appositeness, inappositeness
existence, nonexistence
illicitness, licitness
borrower, lender
nasty, nice
civilian, serviceman
forceful, forceless
geocentric, heliocentric
disproportion, proportion
afloat, aground
punctual, unpunctual
amphibious, aquatic
traveled, untraveled
evitable, inevitable
conventionality, unconventionality
limbed, limbless
intensifying, moderating
impatiently, patiently
abience, adience
punished, unpunished
adscript, superscript
theatrical, untheatrical
catarrhine, leptorrhine
domestic, foreign
impermissibly, permissibly
formal, informal
aphelion, perihelion
leavened, unleavened
ostentatious, unostentatious
ignoble, noble
deodorize, odorize
acidic, amphoteric
algorithmic, heuristic
unguiculate, ungulate
tanned, untanned
dishonorable, honorable
fixedness, looseness
improvidently, providently
negativity, positivity
balanced, unbalanced
likeness, unlikeness
extinguish, ignite
evil, good
block, unblock
coarse, fine
nastiness, niceness
convenient, inconvenient
erase, record
dejected, elated
gain, loss
confine, free
changeableness, changelessness
past, present
scientific, unscientific
relatedness, unrelatedness
abstractness, concreteness
cheer, complain
deservedly, undeservedly
metamorphic, nonmetamorphic
end-stopped, run-on
function, malfunction
early, late
lowercase, uppercase
cool, heat
atypical, typical
curly, straight
lower-class, middle-class
melodiously, unmelodiously
modern, nonmodern
agreeable, disagreeable
reported, unreported
backed, backless
adoptive, biological
invertebrate, vertebrate
saturated, unsaturated
disorienting, orienting
nonsurgical, surgical
endogamous, exogamous
agitate, calm
articulately, inarticulately
monolingual, multilingual
de-energize, energize
lean, rich
shaded, unshaded
nonrepetitive, repetitive
host, parasite
achromatic, chromatic
high-resolution, low-resolution
artesian, subartesian
postwar, prewar
corruptibility, incorruptibility
sold, unsold
asexual, sexual
expediency, inexpediency
irreversibility, reversibility
crowned, uncrowned
dominant, recessive
timeliness, untimeliness
puncturable, punctureless
immobile, mobile
age, rejuvenate
impracticality, practicality
efficaciously, inefficaciously
explicitness, inexplicitness
flash-forward, flashback
matriarchal, patriarchal
autotrophic, heterotrophic
actable, unactable
head, rear
effortfulness, effortlessness
oldness, youngness
consequence, inconsequence
primarily, secondarily
father, mother
emersion, immersion
feelingly, unfeelingly
credibility, incredibility
charge, discharge
immoderation, moderation
attractive, unattractive
fingered, fingerless
moving, unmoving
fatty, nonfat
ahead, back
man, woman
likely, unlikely
impenetrability, penetrability
chivalrously, unchivalrously
irreligious, religious
hypersomnia, insomnia
carved, uncarved
invisibly, visibly
change, stay
resentful, unresentful
approval, disapproval
horizontal, inclined
accidentally, deliberately
bless, curse
educated, uneducated
here, there
deciduous, evergreen
injectable, uninjectable
passionate, passionless
grudgingly, ungrudgingly
bipolar, unipolar
productively, unproductively
lose, win
impressive, unimpressive
seeded, unseeded
sentimentally, unsentimentally
headed, headless
serviceable, unserviceable
overbid, underbid
depigmentation, pigmentation
motion, motionlessness
demobilise, mobilise
cyclic, noncyclic
reactive, unreactive
catadromous, diadromous
alarming, unalarming
heterogeneity, homogeneity
drained, undrained
nonspecific, specific
cognizance, incognizance
mindful, unmindful
ambitious, unambitious
unvaried, varied
complexity, simplicity
detribalisation, tribalisation
irreconcilable, reconcilable
left-handed, right-handed
add, subtract
dead, live
avenged, unavenged
retentive, unretentive
buried, unburied
defensive, offensive
curable, incurable
appendaged, unappendaged
potted, unpotted
beseeching, imperative
ancestor, descendant
decode, encode
comfortably, uncomfortably
de-iodinating, iodinating
confined, invasive
poor, rich
derived, underived
bind, unbind
interestingness, uninterestingness
alterable, unalterable
immature, mature
qualitative, quantitative
sleeping, waking
ride, walk
directness, indirectness
convincingly, unconvincingly
empirical, theoretical
air-to-air, air-to-surface
ambidextrous, left-handed
alphabetic, analphabetic
carnivorous, insectivorous
dissatisfaction, satisfaction
precede, succeed
reflected, unreflected
nontoxic, toxic
frequent, infrequent
competent, incompetent
button, unbutton
availability, unavailability
first, last
cool, warm
affixed, unaffixed
aggrade, degrade
flexibly, inflexibly
conception, misconception
denationalize, nationalize
lower, raise
dishonestly, honestly
anti-American, pro-American
glad, sad
conditional, unconditional
immovableness, movableness
trustworthy, untrustworthy
inward, outward
fail, pass
carnivorous, omnivorous
abient, adient
nonresidential, residential
concentrate, deconcentrate
absence, presence
rhymed, unrhymed
stoppable, unstoppable
clip, unclip
aligned, nonaligned
balconied, unbalconied
fertility, infertility
autoecious, heteroecious
furrowed, unfurrowed
improvident, provident
nonreturnable, returnable
recoverable, unrecoverable
combined, uncombined
claim, disclaim
appropriateness, inappropriateness
full, thin
paradigmatic, syntagmatic
organized, unorganized
outbid, underbid
shockable, unshockable
antagonistic, synergistic
backhand, forehand
crosswise, lengthwise
committed, uncommitted
disembarrassment, embarrassment
desynchronizing, synchronizing
complaining, uncomplaining
coherent, incoherent
activate, inactivate
barreled, unbarreled
geographic, magnetic
intemperance, temperance
interdepartmental, intradepartmental
adnate, connate
cooperative, uncooperative
divided, united
cenogenesis, palingenesis
cautiously, incautiously
hypertonicity, hypotonicity
thicken, thin
diploid, polyploid
construction, misconstruction
demote, promote
demobilization, mobilization
absorb, emit
powerfulness, powerlessness
dependability, undependability
intellectual, nonintellectual
juiceless, juicy
cousinly, uncousinly
inopportune, opportune
deaden, enliven
carefully, carelessly
cared-for, uncared-for
direct, retrograde
disrepute, repute
compressible, incompressible
fatness, leanness
imperfectly, perfectly
flexibility, inflexibility
guided, unguided
continuation, discontinuation
emotionality, unemotionality
farness, nearness
assertively, unassertively
excited, unexcited
analogous, heterologous
thick, thin
humanely, inhumanely
live, recorded
demilitarise, militarise
acatalectic, hypercatalectic
deoxidize, oxidize
atypically, typically
cheerfulness, cheerlessness
herbivorous, insectivorous
accentual, syllabic
dislike, like
convergence, divergence
accept, refuse
tastefulness, tastelessness
systematically, unsystematically
curliness, straightness
hopeful, hopeless
follower, leader
partly, wholly
seamanlike, unseamanlike
solved, unsolved
usefulness, uselessness
irrelevantly, relevantly
anabatic, katabatic
disproportionately, proportionately
postnatal, prenatal
fame, infamy
banded, unbanded
derivational, inflectional
concentration, distribution
faintheartedness, stoutheartedness
continuity, discontinuity
defense, offense
pain, pleasure
disintegrate, integrate
precedented, unprecedented
dysphoric, euphoric
discouragement, encouragement
impious, pious
correct, incorrect
avascular, vascular
egress, ingress
nonwoody, woody
trustworthiness, untrustworthiness
artful, artless
large, small
reliability, unreliability
courteous, discourteous
fraternal, identical
impatience, patience
decorous, indecorous
starless, starry
fledged, unfledged
adequate, inadequate
keyed, keyless
reconstructed, unreconstructed
acroscopic, basiscopic
packaged, unpackaged
noisy, quiet
constant, inconstant
fall, rise
approachable, unapproachable
nosed, noseless
healthy, unhealthy
impotence, potence
confident, diffident
irresolutely, resolutely
hook, unhook
fortunate, unfortunate
prepared, unprepared
prophetic, unprophetic
impressively, unimpressively
inviolable, violable
loudness, softness
reserved, unreserved
hypercalcemia, hypocalcemia
ability, inability
supported, unsupported
autogamous, endogamous
articulated, unarticulated
modified, unmodified
dangerousness, safeness
asymmetrically, symmetrically
colourful, colourless
optimistically, pessimistically
conquerable, unconquerable
overspend, underspend
joint, separate
multilateral, unilateral
quietly, unquietly
commonality, individuality
natural, sharp
eukaryote, prokaryote
justifiably, unjustifiably
extrinsic, intrinsic
edifying, unedifying
selected, unselected
downtime, uptime
appetizing, unappetizing
catarrhine, platyrrhine
multilane, single-lane
conservative, liberal
overcharge, undercharge
smokeless, smoky
acidic, alkaline
disloyally, loyally
answer, question
campylotropous, orthotropous
affirmative, negative
intransitively, transitively
equivocal, unequivocal
impropriety, propriety
reliableness, unreliableness
apocarpous, syncarpous
extramural, intramural
effortful, effortless
considerate, inconsiderate
close, distant
anticlinal, synclinal
interstate, intrastate
make, unmake
benign, malign
pretentiously, unpretentiously
skillfulness, unskillfulness
hypotonic, isotonic
disreputably, reputably
ahistorical, historical
high-tension, low-tension
occidentalise, orientalise
refined, unrefined
turned, unturned
thoughtful, thoughtless
appropriately, inappropriately
kind, unkind
abused, unabused
diclinous, monoclinous
antagonist, synergist
obligatorily, optionally
taciturn, voluble
penalty, reward
blessed, cursed
insubstantial, substantial
associative, nonassociative
activation, inactivation
sanitariness, unsanitariness
diurnal, nocturnal
antipyretic, pyretic
darkness, lightness
asynchronism, synchronism
induced, spontaneous
functional, organic
troubled, untroubled
quantitative, syllabic
insensible, sensible
counterrevolutionary, revolutionary
disorder, order
air-to-surface, surface-to-air
rigged, unrigged
nonunion, union
sound, unsound
timbered, untimbered
anestrus, estrus
congenial, uncongenial
accompanied, unaccompanied
spaced, unspaced
fatal, nonfatal
displease, please
efficient, inefficient
strong, weak
multiculturalism, nationalism
developed, undeveloped
intractable, tractable
frequently, infrequently
insensibility, sensibility
enlivened, unenlivened
sharpen, soften
employable, unemployable
shout, whisper
impossibly, possibly
analyze, synthesize
depressurise, pressurise
round, square
endogenous, exogenous
dramatic, lyric
anaphrodisiac, aphrodisiac
convertible, inconvertible
reasonably, unreasonably
injured, uninjured
deoxidise, oxidise
leafless, leafy
rough, smooth
excusable, inexcusable
exact, inexact
decisiveness, indecisiveness
consecrated, desecrated
necessitate, obviate
humaneness, inhumaneness
dispensable, indispensable
new, worn
mindfulness, unmindfulness
inspan, outspan
malicious, unmalicious
glazed, unglazed
nonuniformity, uniformity
profitability, unprofitability
engagement, non-engagement
decent, indecent
moving, nonmoving
holy, unholy
lost, saved
string, unstring
disunify, unify
unwittingly, wittingly
monoclinic, triclinic
multiple-choice, true-false
coherence, incoherence
heterodactyl, zygodactyl
atypicality, typicality
agnostic, gnostic
charitable, uncharitable
genuineness, spuriousness
inferior, superior
assembly, disassembly
nadir, zenith
propitious, unpropitious
diploid, haploid
compact, loose
invulnerable, vulnerable
appearance, disappearance
shortness, tallness
difference, sameness
tastefully, tastelessly
nonstandard, standard
nonproprietary, proprietary
common, individual
subscript, superscript
adroit, maladroit
contraindication, indication
adaptive, maladaptive
prefix, suffix
armored, unarmored
rural, urban
agreeableness, disagreeableness
valuable, worthless
con, pro
majuscule, minuscule
endocrine, exocrine
badly, well
destabilize, stabilize
bipedal, quadrupedal
northernness, southernness
ashamed, unashamed
creativeness, uncreativeness
irresponsibleness, responsibleness
alert, unalert
impotent, potent
suitableness, unsuitableness
cleanness, dirtiness
believably, unbelievably
extrasensory, sensory
dryness, wetness
open, shut
irreplaceable, replaceable
internationalism, nationalism
derestrict, restrict
blond, brunet
imperfection, perfection
conserve, waste
nonslippery, slippery
enjoy, suffer
disproportionate, proportionate
modulated, unmodulated
lash, unlash
discreet, indiscreet
monism, pluralism
shod, unshod
experienced, inexperienced
discharge, enlist
head, tail
tubed, tubeless
back, veer
crossbred, purebred
insanely, sanely
obtrusively, unobtrusively
selfishness, unselfishness
monogamous, polygamous
seasonal, year-round
implausible, plausible
three-piece, two-piece
bloodily, bloodlessly
find, lose
close, open
intransitive, transitive
dissimilar, similar
intended, unintended
bottlefeed, breastfeed
private, public
waning, waxing
energetic, lethargic
dry, phlegmy
gaseous, liquid
edible, inedible
constipated, unconstipated
hypertonic, hypotonic
activeness, inactiveness
insanity, sanity
precocious, retarded
justly, unjustly
happiness, sadness
complainingly, uncomplainingly
seasonable, unseasonable
usefully, uselessly
indulgent, nonindulgent
causative, noncausative
dysgenic, eugenic
downtick, uptick
nonreflective, reflective
maximal, minimal
figurative, literal
groomed, ungroomed
bad, good
abaxially, adaxially
sheared, unsheared
aware, unaware
inhibited, uninhibited
off-site, on-site
disorganized, organized
branchless, branchy
far, near
folly, wisdom
offending, unoffending
bracteate, ebracteate
musically, unmusically
deepness, shallowness
compatible, incompatible
ambiversion, introversion
dishonesty, honesty
dehydrogenate, hydrogenate
liquid, solid
perplexed, unperplexed
connotative, denotative
sleepiness, wakefulness
start, stop
roofed, roofless
continual, sporadic
defeat, victory
disequilibrium, equilibrium
disesteem, esteem
livable, unlivable
autumnal, summery
seasonableness, unseasonableness
avow, disavow
hyperthermia, hypothermia
immutability, mutability
sympathetic, unsympathetic
legalize, outlaw
preparation, resolution
beautiful, ugly
palatability, unpalatability
estivate, hibernate
capitalism, socialism
interspecies, intraspecies
illiteracy, literacy
rifled, unrifled
convinced, unconvinced
flat, sharp
irresoluteness, resoluteness
local, national
insensitivity, sensitivity
fastidious, unfastidious
insensitiveness, sensitiveness
conjunct, disjunct
elegantly, inelegantly
conform, deviate
overhead, surface
competition, cooperation
melodious, unmelodious
changed, unchanged
former, latter
truthfully, untruthfully
cursorial, fossorial
fruitfully, fruitlessly
aestivate, hibernate
classify, declassify
bloodless, bloody
curtained, curtainless
actual, potential
advance, back
normal, paranormal
foe, friend
attributable, unattributable
advisable, inadvisable
inboard, outboard
interested, uninterested
granter, withholder
predictable, unpredictable
impersonal, personal
occidentalize, orientalize
imprudence, prudence
pull, push
distal, proximal
denazify, nazify
astomatous, stomatous
made, unmade
cismontane, tramontane
denationalization, nationalization
little, much
mendacity, veracity
allogamy, autogamy
pardonable, unpardonable
intense, mild
few, many
delineated, undelineated
corporeality, incorporeality
pronation, supination
anovulation, ovulation
nonviolently, violently
fathomable, unfathomable
ebb, tide
acceptance, rejection
diplomatic, undiplomatic
disinclination, inclination
hardball, softball
aqueous, igneous
approve, disapprove
digestibility, indigestibility
apteral, peripteral
auspiciousness, inauspiciousness
injustice, justice
apetalous, petalous
lawfully, lawlessly
punctuality, tardiness
controversial, uncontroversial
formed, unformed
accurate, inaccurate
calcicolous, calcifugous
productiveness, unproductiveness
nominative, oblique
gabled, hipped
aesthetic, inaesthetic
expired, unexpired
irrevocable, revocable
lawful, unlawful
come, go
motivated, unmotivated
androgynous, female
insecurity, security
Anglophilia, Anglophobia
crate, uncrate
decisive, indecisive
attend, miss
foolishly, wisely
pardonably, unpardonably
apoapsis, periapsis
effectively, ineffectively
imprecise, precise
monosemy, polysemy
closed, open
tasteless, tasty
commissioned, noncommissioned
corrected, uncorrected
objectively, subjectively
boy, girl
express, local
maximization, minimization
processed, unprocessed
subhuman, superhuman
clear, cloudy
knowable, unknowable
moving, still
registered, unregistered
conventional, unconventional
oriented, unoriented