| A | B |
| alloy | mix; make less pure; lessen or moderate |
| allude | refer indirectly |
| allure | entice; attract |
| allusion | indirect reference |
| aloft | upward |
| aloof | apart; reserved; standoffish |
| altercation | noisy quarrel; heated dispute |
| altruistic | unselfishly generous; concerned for others |
| ambiguous | unclear or doubtful in meaning |
| ambivalence | having contradictory or conflicting emotional attitudes |
| ambulatory | able to walk; not bedridden |
| ameliorate | imporve; make more satisfactory |
| amenable | readily managed; willing to give in; agreeable; submissive |
| amiable | agreeable; loveable; warmly friendly |
| amorous | moved by sexual love; loving |
| amorphous | formless; lacking shape or definition |
| ample | abundant |
| amplify | broaden or clarify by expanding; intensify; make stronger |
| anachronism | something regarded as outmoded; something or someone misplaced in time |
| analogy | similarity; parallelism |
| anarchist | person who seeks to overturn the established government; advocate of abolishing authority |
| ancillary | serving as an aid or accessory; auxiliary |
| animated | lively; spirited |
| animosity | active enmity |
| anomaly | irregularity; something out of place or abnormal |
| antagonism | hostility; active resistance |