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PSAT O Word List

Word list for 2009-2010

QuestionAnswer
obdurate stubborn
obfuscate to confuse, obscure
oblique indirect, evasive; misleading, devious
oblivious unaware, inattentive
obsequious overly submissive, brownnosing
obsolete no longer in use
obstinate stubborn
obstreperous troublesome, boisterous, unruly
obviate to make unnecessary; to anticipate and prevent
occlude to shut, block
odious hateful, contemptible
officious too helpful, meddlesome
ominous menacing, threatening, indicating misfortune
omniscient having infinite knowledge, all-seeing
onerous burdensome
opaque impervious to light; difficult to understand
opine to express an opinion
opportune appropriate, fitting
opprobrious disgraceful, contemptuous
opulence wealth
oration lecture, formal speech
oscillate to move back and forth
ossify to turn to bone; to become rigid
ostentatious showy
ostracism exclusion, temporary banishment
ouster expulsion, ejection
overwrought agitated, overdone
Created by: rierei1971
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