| A | B |
| Ambiguous | having more then one meaning; unclear |
| Ambivalent | having contrary feelings o attitudes |
| Ambulatory | able to walk or move around |
| Ameliorate | to make better, to relieve, to improve |
| Amenable | open or willing to follow advice or suggestion |
| Amenity | agreeable ways or manners; the quality of being aggreeable or pleasant |
| Amiable | friendly, sociable, and congenial; civil and urbane |
| Amity | friendship |
| Amorphous | shapeless, having no definite form |
| Anachronism | an error in chronology; a misplacing of persons or events |