absent : present
brave : scared
crooked : straight
double : single
expensive : cheap
forget : remember
increase : decrease
lower : raise
question : answer
send : receive
stranger : friend
true : false
whisper–yell
against : for
buy : sell
cruel : kind
east : west
fancy : plain
forward : backward
intelligent : stupid
outer : inner
quick : slow
sharp : dull
strong : weak
uncertain : certain
wide–narrow
beneath : above
careful : careless
death : life
enemy : friend
finish : begin
graceful : clumsy
lead : follow
part : whole
reward : punishment
sink : float
sweet : sour
wake : sleep
winter–summer
bitter : sweet
cheerful : sad
deep : shallow
exciting : dull
floor : ceiling
guilty : innocent
length : width
patient : impatient
rough : smooth
south : north
tame : wild
war : peace
borrow : lend
complete : incomplete
different : same
exit : entrance
foolish : wise
hide : show
loose : tight
polite : rude
selfish : unselfish
stay : go
thick : thin
warm : cool
abundant : scarce
advance : retreat
cease : begin
contract : expand
disgrace : honor
exterior : interior
fiction : fact
genuine : fake
illegal : lawful
inferior : superior
majority : minority
moist : dry
perfect : faulty
reluctant : enthusiastic
solid : liquid
swift : slow
triumph : fail
vacant–occupied
accept : refuse
antique : modern
combine : separate
dangerous : safe
drunk : sober
extinguish : ignite
former : latter
grin : frown
imaginary : real
joy : grief
maximum : minimum
naked : clothed
permit : forbid
sane : insane
spend : save
tardy : early
unbreakable : fragile
accidental : intentional
attack : defend
comedy : tragedy
depart : arrive
dwarf : giant
fail : succeed
frequent : infrequent
harmony : discord
import : export
knowledge : ignorance
merciful : cruel
necessary : useless
positive : negative
shrink : expand
stationary : movable
temporary : permanent
unique : common
victory : defeat
accurate : incorrect
authentic : imitation
condemn : praise
destroy : create
evil : good
famous : unknown
gather : scatter
harsh : mild
imprison : free
lazy : industrious
miserable : happy
nourish : starve
private : public
slavery : freedom
stiff : limp
thaw : freeze
useful : useless
villain–hero
admit : deny
beg : offer
conquer : fail
discourage : encourage
exhibit : conceal
fertile : barren
generous : stingy
idle : busy
include : exclude
literal : figurative
mix : sort
obey : disobey
prohibit : allow
solid : gas
strengthen : weaken
tough : tender
usually : rarely
violent : gentle