- Definitions|2
- Thesaurus|3.2k
- Abbreviations|0
89 entries under expression topic. ×
| go crazy(idiom, insanity) | |
| go mad(idiom, insanity) | |
| gung ho(adjective, silly, foolish, crazy) | |
| in a towering rage(idiom, vicious, unreasonable, furious) | |
| in hysterics(idiom, violence) | |
| in poor health(idiom, false, unstable, ill) | |
| in to(enchanted, raving) | |
| insane person | |
| lose one's faculties(idiom, insanity) | |
| lose one's marbles(idiom, insanity) | |
| lose one's reason(idiom, insanity) | |
| lose one's senses(idiom, insanity) | |
| lose one's wits(idiom, insanity) | |
| mental case | |
| mentally disabled | |
| mentally incompetent(adjective, stupid, crazy) | |
| nobody home(unstable, disturbed, unhinged) | |
| not solid(false, unstable, ill, shaky) | |
| off one's head(idiom, insanity) | |
| poorly planned(impractical, half-baked, doomed) |
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| APA | Smart Define. (2015). insane thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/insane/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "insane thesaurus" https://smartdefine.org/insane/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, insane thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/insane/thesaurus/synonyms>. |
| MLA | Smart Define. "insane thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/insane/thesaurus/synonyms> |