| Term | Definition |
| Abbreviate | to make shorter |
| Abrasive | harsh and rough in manner |
| abridge | to condense, make shorter |
| abrupt | sudden; curt |
| absolve | to forgive, free from blame |
| absorb | to soak up, consume; to occupy completely |
| accelerate | to cause tp develop or progress more quickly |
| Acrimony | bitterness |
| Advantageous | favorable, useful |
| Adversary | opponent, enemy |
| Adversity | a state of hardship or misfortune |
| Aerate | to expose to air |
| Affectation | pretension; false display |
| Affiliation | an association to a group or organization |
| Aggressive | activiely hostile, assertive, bold |
| Agile | well coordinated, nimble |
| Agitate | upset, disturb |
| Alacrity | cheerful willingness, eagerness; speed |
| Allegation | a claim without proof |
| Alleviate | to relieve, improve partially |
| Amiable | friendly, pleasant, likable |
| Amicable | friendly aggreable |
| Amorphous | having no definite shape |
| Ampitheater | arena theater with rising tiers around a central open space |
| Amplify | increase, intensify |
| Anachronistic | from an incorrect or incongruous time period |
| Analyze | to examine methodically |
| Anarchist | one who aim to overthrow the government |
| Ancient | very old; anitquated |
| Anecdote | a short, usually funny account of an event |
| Anonymous | of an unknown identity |
| Anatagonist | foe, adversary, opponent |