| manic(adjective, crazy, hysterical, psychotic) | |
| moonstruck(adjective, law, sane) | |
| off(adjective, law, sane) | |
| potty | |
| wacky(adjective, law, slang, sane) | |
| balmy | |
| bats | |
| disturbed(adjective, mad, unstable, insane, unhinged) | |
| eccentric(noun, adjective, stupid, crazy, unstable) | |
| gaga(adjective, law, informal, sane) | |
| kooky(adjective, unstable, disturbed, erratic, unhinged) | |
| meshuga | |
| abnormal | |
| buggy(adjective, law, slang, sane) | |
| bughouse | |
| crack-brained | |
| crackpot(noun, adjective, crazy, loony) | |
| disordered(adjective, law, sane) | |
| foolish(adjective, crazy, fantastic, hysterical, psychotic) | |
| frenzied(crazy, hysterical, psychotic) |
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| APA | Smart Define. (2015). non compos mentis thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/non_compos_mentis/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "non compos mentis thesaurus" https://smartdefine.org/non_compos_mentis/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, non compos mentis thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/non_compos_mentis/thesaurus/synonyms>. |
| MLA | Smart Define. "non compos mentis thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/non_compos_mentis/thesaurus/synonyms> |