GRE常考600个单词汇总：A

　　abacus frame with balls for calculating

　　abjure promise or swear to give up

　　abraded rubbed off, worn away by friction

　　abrasion rubbing, scraping, wearing off

　　abrogate repeal or annul by authority

　　abundant plentiful

　　abut border on

　　abysmal bottomless, extreme

　　acclaimed welcomed with shouts and approval

　　accolade praise, approval

　　accretion the growing of separate things into one

　　acquisition smth acquired, acquiring

　　adhere remain faithful, stick fast to

　　adhesion adhering, support

　　adjacent lying near, next

　　admonitory containing warning

　　adulteration making unpure, poorer in quality

　　agile active, quick-moving

　　ail trouble; be ill

　　alacrity eager and cheerful readiness

　　allegiance duty, support, loyalty

　　amalgamate mix, combine, unite societies

　　amendment improving

　　amplify make large or fuller, increase the strength

　　annul put an end to

　　antidote medicine used against a poison or a disease

　　apprehensive grasping, understanding; fear, unhappy feeling about future

　　apt well-suited, quick-witted

　　arboreal of connected with trees

　　ardently with full of ardour

　　ardour enthusiasm

　　articulate speak distinctly, connect by joints

　　ascend go or come up

　　ascent the act of ascending

　　ascertain get to know

　　asset valuable quality, smth that has money value

　　assuage make smth less

　　assumption smth supposed but not proved

　　asterisk the mark

　　astringent substance that shrinks

　　astute clever; quick at seeing to get an advantage

　　atonement repayment; death of Jesus

　　audacious daring, foolishly bold, impudent

　　augury omen, sign

　　austere severely moral and strict; simple and plain

　　aver state positevly

　　aversion strong dislike

　　avid eager, greedy