新东方网为同学们整理了GRE常考词汇盘点，供考生参考学习。
nonplussed greatly surprised
noxious harmful
numb without ability to feel or move
numbness without ability to move a finger
obdurate stubborn， impenitent
obsequious too eager to obey or serve
officious too eager or ready to help， offer advice
opprobrious showing scorn or reproach
ostentation display to obtain admiration or envy
ostentatious fond of
ostracism shut out from society， refuse to meet， talk
ostrich fast-running bird unable to fly
outset start
overhaul examine thoroughly to learn about the condition
overwhelm weigh down， submerge
palpability can be felt， touched， understood
palpitate tremble， beat rapidly and irregularly
parenthesis sentense within another one， smth separated
parsimonious too economical， miserly
peccadillo small sin; small weakness in one's character
penchant taste， liking， inclination
penury poverty
peremptory not to be disobeyed or questioned
perennial lasting for a long time (eg. a year)
perfidious treacheres， faithless
perfidy treachery; breaking of faith
perfunctory done as a duty withour care
perjury wilful fasle statement， unlawful act
pernicious harmful， injurious
persevere keep on steadily， continue
pertain belong as a part， have reference
pest destructive thing or a person who is nuisance
petulant unreasonably impatient
pied of mixed colors
pinch be too tight， take between the thumb and finger
pious dutifull to parents; devoted to religion
pique hirt the pride or self-respect， stir (curiosity)
pitfall covered hole as a trap， unsuspected danger
pith essential part， force， soft liquid substance
placate soothe， pacify， calm
plaque flat metal on a wall as a memorial
plea request
plead address a court of law as an advocate
plethora glut
pliant pliable， easile bent， shaped or twisted
plod continue doing smth without resting
pluck pull the feathers off， pick (eg. flowers)
plummet fall， plunge， steeply
plunge move quickly， suddenly and with force
poise be ready， be balanced， self-possession
ponderous heavy， bulky， dull
posture state， attitude; adopt a vain
poverty state of being poor
precept moral instruction
precipitate throw smth violently down from a height
precursory peliminary， anticipating
predilection special liking， mental preference
preempt obtain by preemption or in advance
premature doing or happening smth before the right time
presage warning sign
pristine primitive
procrastination keeping on putting off
prodigious enormous， wonderful
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