Aから始まる、TOEICでよく出る単語をまとめてみました（ほんの一部）。
abandon v. to cease trying to continue; desist from; desert; to surrender one's claim to, right to, or interest in; give up entirely
abate v. to reduce in amount, degree, or intensity; lessen; to deduct from an amount; subtract
abbreviation n. shortened form of a word or word combination
abduct v. to carry off by force; kidnap
abide v. to comply; to obey; to submit; to conform; to tolerate
abnormal adj. not typical, usual, or regular; not normal; deviant
aboard adv. on board a ship, train, aircraft, or other passenger vehicle; in or into a group, organization, or business
aboard prep.on board of; on; in
abolish v. to cancel; to revoke
abominable adj. unequivocally detestable; loathsome; thoroughly unpleasant or disagreeable
abound v. to be plentiful; to be filled with; to overflow with
abreast adv. side by side; in alignment; on top of; up-to-date; well-informed
abroad adv. in another country; outside; widely
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