16 entries under idiom topic. ×
| of unsound mind(expression, adjective, law, foolish) | |
| not all there(expression, adjective, law, unstable) | |
| out to lunch(expression, adjective, unstable, disturbed) | |
| off one's rocker(adjective, law, sane) | |
| around the bend(adjective, law, sane) | |
| bereft of reason | |
| deprived of reason | |
| in the ozone(expression, crazy, hysterical, psychotic) | |
| nutty as a fruitcake(expression, adjective, law, crazy) | |
| stark raving mad(adjective, law, sane) | |
| crazy as a loon(adjective, law, sane) | |
| mad as a hatter(adjective, law, sane) | |
| nutty as fruitcake(expression, crazy, hysterical, psychotic) | |
| off one's head(adjective, law, sane) | |
| out of one's mind(adjective, law, sane) | |
| sick in the head(adjective, law, sane) |
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| APA | Smart Define. (2015). non compos mentis thesaurus. Retrieved September 28, 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 28, 2026). |
| Harvard | Smart Define 2015, non compos mentis thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/non_compos_mentis/thesaurus/synonyms>. |
| MLA | Smart Define. "non compos mentis thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/non_compos_mentis/thesaurus/synonyms> |