- Definitions|2
- Thesaurus|3.2k
- Abbreviations|0
62 entries under idiom topic. ×
| go bonkers(expression, insanity) | |
| go crazy(expression, insanity) | |
| go mad(expression, insanity) | |
| in a towering rage(expression, vicious, unreasonable, furious) | |
| in hysterics(expression, violence) | |
| in poor health(expression, false, unstable, ill) | |
| insane person | |
| lose one's faculties(expression, insanity) | |
| lose one's marbles(expression, insanity) | |
| lose one's reason(expression, insanity) | |
| lose one's senses(expression, insanity) | |
| lose one's wits(expression, insanity) | |
| mental case | |
| mentally disabled | |
| nutty as a fruitcake(adjective, sane) | |
| off one's head(adjective, sane) | |
| off one's head(expression, insanity) | |
| run mad(expression, insanity) | |
| scatter brained(expression, insanity) | |
| shatter brained(expression, insanity) |
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| APA | Smart Define. (2015). insane thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/insane/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "insane thesaurus" https://smartdefine.org/insane/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, insane thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/insane/thesaurus/synonyms>. |
| MLA | Smart Define. "insane thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/insane/thesaurus/synonyms> |