| Abate | | to leave secretly |
| Abscond | | intense and passionate feeling |
| Abstain | | to reduce in force or degree; to weaken |
| Abyss | | an extremely deep hole |
| Adulterate | | to annoy or provoke to anger |
| Advocate | | to make impure |
| Aesthetic | | to combine, to mix together |
| Aggrandize | | extreme dislike |
| Alleviate | | to make better, improve |
| Amalgamate | | able to speak clearly and expressively |
| Ambiguous | | to reduce in amount, degree or severity |
| Ameliorate | | concerning the appreciation of beauty |
| Anachronism | | to speak in favor of |
| Analogous | | to increase in power, influence and reputation |
| Anomaly | | fearless and daring |
| Antagonize | | severe or stern in appearance; undecorated |
| Antipathy | | doubtful or uncertain, able to be interpreted several ways |
| Apathy | | something out of place in time |
| Arbitrate | | to make something unpleasant less severe |
| Archaic | | to choose not to do something |
| Ardor | | deviation from what is normal |
| Articulate | | lack of interest or emotion |
| Assuage | | to make more bearable |
| Attenuate | | to judge a dispute between two opposing parties |
| Audacious | | ancient, old-fashioned |
| Austere | | similar or alike in some way, equivalent to |