12 entries under expression topic. ×
| non compos mentis(adjective, law, mad, insane) | |
| of unsound mind(adjective, idiom, sane, off) | |
| not all there(adjective, idiom, crazy, sick) | |
| stark raving mad(adjective, idiom, crazy, sick) | |
| crazy as a loon(adjective, idiom, crazy, sick) | |
| mad as a hatter(adjective, idiom, crazy, sick) | |
| nutty as a fruitcake(adjective, idiom, crazy, sick) | |
| sick in the head(adjective, idiom, crazy, sick) | |
| disturbed person | |
| mentally disturbed | |
| nutty as fruitcake(idiom, sick, crackers) | |
| psychologically disturbed(cuckoo, neurotic) |
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| APA | Smart Define. (2015). mentally ill thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/mentally_ill/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "mentally ill thesaurus" https://smartdefine.org/mentally_ill/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, mentally ill thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/mentally_ill/thesaurus/synonyms>. |
| MLA | Smart Define. "mentally ill thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/mentally_ill/thesaurus/synonyms> |