Top 100 words for GRE And TOEFL

abyss  hole so deep as to appear bottomless
acquiesce agree, accept without protest
affable  polite and friendly, easy to talk to
affliction  distress, suffering
affluent  wealthy, abundant
agitate  move, shake, stir up
ambiguous having more then one meaning
annex  take possession of
aqueous  of or like water
arduous  demanding great effort, strenuous
aroma  quality or surrounding atmosphere considered typical
atone  make repayment
avarice  greed
bellicose  inclined to fighting
calisthenics exercises to develop strong bodies
captor  person who takes smb captive
concoct  invent, prepare by mixing together
dangle  hand or swing loosely
deprive  take away from, prevent from using
diligent  hard-working
disrobe  undress
docile  easily trained or controlled
doleful  dismal, mourful
drought  a long period of dry weather
dubious  feeling doubt
dumbfound astonish
efface  rub or wipe out, obliterate
elucidate  to make understandable
enchant  charm, delight
endeavor to make an effort, to try very hard
endorse  approve, support a claim or statement
enthral  take the whole attention, enslave
exploit  to use for selfish advantage or profit
extensive far-reaching
extol  to praise highly
flimsy  lacking solidarity, strength
fraud  a fault, a deception
gaudy  too bright and showy
ghastly  death-like, pale and ill
grumble  to complain
harass  worry, trouble
heretic  very busy; active
impediment smth that hinders (esp in speech)
indigenous native
insatiate  never satisfied
intrepid  fearless
irate  angry
jeopardy  danger
leash  control
loafer  an idle, lazy person
lucrative  profitable
lustrous  bright; shining
malign  to slander
meddle  to interfere, to intrude
mend  to repair
mirth  being merry and happy
nausea  feeling of sickness
neglect  pay no attention to
nocturnal  of or in the night
obese  very fat
obsolete  no longer useful, outdated
perch  take up a high position
pervade  spread through every part of
petulant  unreasonably impatient or irritable
pillage  plunder (esp in war)
presumptuous too bold or self-confident
quashed  annuled
quenching satisfy, put an end to, put out
refurbished make clean, as if like new
rejoicing  happiness, joy
reticent  in the habit of saying little
reverberate be sent back, again and again
rigor  sternness, strictness, severe conditions
rotundity  state of being round
salvage  the saving of property from loss
scattered not situated together
shatter  to break into many pieces
shunned  avoided, kept away from
sketchy  shortly, roughly, quickly
sporadic  happening from time to time
stifled  suppressed, kept back
strive  to make great efforts, to struggle
subsequent following
succumb  yield, die
taciturn  unspoken, silent
tantalize  raise hopes that cannot be realized
tentative  uncertain, probable
torpid  dull and slow
treacherous not to be trusted, perfidious
tremor  thrill
tyro  a beginner
uproar  noise and excitement
vanity  a foolish pride
vehemence forcefulness; intensity; conviction
vigilance  watchfulness
vindicate  prove the truth
voluptuous arousing sensual pleasures
wan  looking ill, not bright
wile  a trick
wrinkle  make small lines (eg forehead)