https://www.800score.com/gre-prep/prep-guide/gre-vocabulary-list/
abacus
frame with balls used for calculating
abate
to lessen, subside
abdication
formal relinquishing of power or authority; resignation
aberration
straying away from what is natural or normal; deviation
abet
to help, encourage someone in wrongdoing
abeyance
suspended action; temporary inactivity
abhor
to hate, detest
abide
to be faithful; to endure
abjure
to promise or swear to give up
abraded
rubbed off, worn away by friction
abrogate
to repeal or annul by authority
abscond
to go away suddenly (to avoid arrest)
abstruse
difficult to comprehend; obscure
abut
to border on
abysmal
bottomless; profoundly, extremely bad
acarpous
effete; worn out; sterile; no longer fertile
acclaimed
welcomed with shouts and approval
accolade
praise, approval
accretion
the growing of separate things into one; an addition
adamant
kind of stone; inflexible
admonitory
containing a warning; tending to admonish
adorn
add beauty to; decorate
adulteration
making impure or poorer in quality
affable
polite and friendly
affinity
a natural liking for something; an inherent similarity
aggravate
to make worse; to irritate
agile
active, quick-moving, well-coordinated
agog
eager/excited
ail
to cause pain or trouble to; to be ill
alacrity
eager and cheerful readiness
alcove
recessed part of a room; partially enclosed space
allegiance
duty, support, loyalty
alleviate
to make (pain) easier to bear
alloy
to debase by mixing with something inferior; a mixture of two or more metals
aloof
reserved, seemingly indifferent
amalgamate
mix, combine, unite
ambidextrous
able to use the left hand and the right equally well
ambiguous
doubtful, uncertain; having several possible meanings or explanations
ambivalent
having both of two contrary desires; uncertain; unable to make a decision
ameliorate
to improve, make better
amortize
to end (a debt) by making periodic payments
anguish
severe suffering
animosity
strong dislike
antidote
medicine used against a poison or a disease
antithetical
directly opposed; opposite
apartheid
brutal racial discrimination
aplomb
self-confidence
apostate
one who abandons long-held religious or political convictions
apotheosis
deification, glorification of a person to the rank of a God; the highest point of something
appease
to make quiet or calm; to soothe, pacify
apprehensive
anxious or nervous about future happenings; perceptive
apprise
to give notice; to inform
approbation
approval
apropos
appropriate to the situation, apt, pertinent
apt
well-suited;appropriate; able to learn quickly
arabesque
a complex, ornate design; a ballet pose; a short musical piece
arboreal
of or having to do with trees
ardor
enthusiasm; passion; great warmth
arduous
requiring much exertion; laborious; difficult to climb
argot
jargon slang
arrogance
proud superior manner of behaviour
articulate
speak distinctly connect by joints
ascend
go or come up
ascertain
get to know
ascetic
practicing self-denial austere stark
ascribe
consider to be the origin of or belonging to
aseptic
surgically clean
asperity
roughness harshness ill temper irritability
aspersion
slander
assail
with attack violently
assiduous
diligent hard-working sedulous
assuage
make smth (pain desire) less
asterisk
the mark * (e.g.. omitted letters)
astringent
substance that shrinks
astute
clever quick at seeing to get an advantage
atonement
repayment death of Jesus
attenuate
make thin. weaken enervate
attune
bring into harmony
audacious
daring foolishly bold impudent
augury
omen sign
august
majestic venerable
auspicious
favorable successful prosperous
austere
severely moral and strict simple and plain
auxiliary
helping supporting
aver
affirm, assert, state to be the case
aversion
strong dislike
avid
eager greedy
avow
admit. Declare openly
baleful
harmful ominous causing evil
balk
obstacle purposely to get on the way of
baneful
causing harm or ruin pernicious destructive
barrage
artificial obstacle built across a river
barren
not good enough unable to have young ones without value
bask
in enjoy warmth and light
beatify
to bless make happy or ascribe a virtue to
bedizen
to adorn especially in a cheap showy manner
belabor
beat hard
bellicose
belligerent pugnacious warlike
belligerent
(person nation) waging war
benefactor
person who has given help