| Term | Definition |
| absurd | extremely ridiculous or completely lacking in reason |
| abundance | having considerably more than is necessary or adequate, more than plenty |
| accomodate | to adapt or adjust in a way that makes someone else comfortable; make room |
| acrid | harsh or bitter taste or smell |
| acute | sharp; quick and precise; intense |
| adjacent | in the nearest position; next to |
| aesthetic | appeals to the senses because it is beautiful |
| alienate | to isolate oneself from others or another person from oneself |
| ambiguous | unclear or capable of having more than one meaning |
| amiable | friendly and pleasant |