| A | B |
|---|
| ambiance | mood, feeling; general atmosphere |
| amenable | agreeable, responsible to authority, pleasant, willing to give in to the wishes of another |
| amplify | to make louder, larger, or more powerful |
| antecedent | going before; preceding; an occurrence or event preceding another |
| anterior | situated in front |
| appalling | filling with dismay; causing horror or consternation |
| aptitude | capacity for learning; natural ability |
| archaic | belonging to an earlier time, ancient, outdated |
| arduous | hard, difficult, tiresome |
| artisan | a worker skilled in a craft |
| askew | to one side; crooked; awry; sidelong look of contempt |
| aspire | to seek, attain, or achieve a goal |
| assuage | to soothe; to make less severe; to satisfy, ease, lessen |
| astute | quick in discernment; shrewd, clever, keen |
| asunder | in separate parts; apart from each other in position |
| atrophy | to wither away |
| atypical | not typical, abnormal |
| austere | stern, as in manner; without excess, unadorned, severely simple and plain |
| badger | to tease, annoy, harass persistently |
| ballistics | the study of the dynamics or flight characteristic of projectiles |
