- abandon: total lack of inhibition
- abase: to humble, disgrace
- abatement: decrease, reduction
- abdicate: to give up a position, right , or power
- aberration: something different from the usual or normal
- abet: to aid, act as accomplice
- abeyance: temporary suppression or suspension
- abhor: to loathe, detest
- abject: miserable, pitiful
- abjure: to reject, abandon formally
- ablution: act of cleansing
- abnegate: to deny, renounce
- abolitionist: one who opposes the practice of slavery
- abortive: interrupted while incomplete
- abridge: to condense, shorten