183 entries under insane topic. ×
| of unsound mind(expression, adjective, idiom, silly, stupid) | |
| fantastic(adjective, characteristic, weak, simple, strange) | |
| mentally ill(expression, adjective, idiom, sane) | |
| rash(adjective, passionate, violent, silly, foolish) | |
| unstable(adjective, characteristic, false, lively, foolish) | |
| witless(adjective, foolish, crazy, odd) | |
| illogical(adjective, characteristic, wrong, false, silly) | |
| imprudent(adjective, characteristic, weak, simple, wild) | |
| potty(adjective, wild, silly, foolish, crazy) | |
| sick(adjective, enthusiastic, crazy, ill, fervent) | |
| gaga(adjective, informal, lively, active) | |
| loopy(adjective, knowledge, ability, informal, foolish) | |
| brainsick(adjective, wrong, crazy, confused) | |
| crack-brained | |
| crackpot(adjective, crazy, odd, lunatic) | |
| invalid(adjective, characteristic, foolish, crazy, unreasonable) | |
| maniac(noun, adjective, crazy, confused) | |
| extravagant(adjective, rough, strange, foolish, crazy) | |
| manic(adjective, evil, stupid, hot, crazy) | |
| mindless(adjective, dull, simple, wrong, silly) |
For more, visit
Mad on
Power Thesaurus
| APA | Smart Define. (2016). mad thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/mad/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "mad thesaurus" https://smartdefine.org/mad/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2016, mad thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/mad/thesaurus/synonyms>. |
| MLA | Smart Define. "mad thesaurus" 24 March 2016. Web. 28 September 2026. <https://smartdefine.org/mad/thesaurus/synonyms> |