- Definitions|2
- Thesaurus|3.2k
- Abbreviations|0
95 entries under insanity topic. ×
| frenetic(adjective, upset, violent, wild, mad) | |
| mental patient(expression, person, craziness) | |
| crackbrained | |
| maddened(adjective, violent, crazy, mad, vicious) | |
| possessed(adjective, evil, controlled, obsessed) | |
| reasonless(foolish, unreasonable, illogical) | |
| not right(expression, idiom, crazy, cuckoo) | |
| bereft of reason(expression, idiom) | |
| beside oneself(expression, adjective, idiom, upset, violent) | |
| tetched | |
| adj | |
| aliene | |
| all possessed(expression, idiom) | |
| be insane(expression, idiom) | |
| become insane(expression, idiom) | |
| flip one's bush(expression, idiom) | |
| flip one's lid(expression, idiom) | |
| flip one's wig(expression, idiom) | |
| flip out(verb, phrasal verb) | |
| go bonkers(expression, idiom) |
For more, visit
Insane on
Power Thesaurus
| 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> |