| Term | Definition |
| amoral | without sense of moral responsibility |
| amorphous | without definite form or shape |
| anhydrous | without water |
| anomaly | a deviation from the normal; an abnormality |
| anonymous | nameless; of unnamed or unknown origin |
| atheism | the belief that there is no god |
| atrophy | to waste away from disuse or lack of nourishment |
| atypical | unlike the normal; not typical |
| eulogize | to write or speak in a praise of someone |
| euphemism | substitution of a "good expression" for an unpleasant |
| euphoria | sense of well-being |
| euthanasia | practice of putting to death a person suffering from an incurable, painful disease |
| misogamy | hatred of marriage |
| misogyny | hatred of women |
| misanthrope | someone who hates people, humanity |