- Definitions|2
- Thesaurus|3.2k
- Abbreviations|0
414 entries under adjective topic. ×
| harebrained(weak, simple, knowledge, ability) | |
| imbecilic(weak, simple, knowledge, ability) | |
| ludicrous(weak, simple, silly, foolish) | |
| asinine(weak, simple, silly, foolish) | |
| berserk(upset, wild, silly, foolish) | |
| daffy(weak, simple, informal, silly) | |
| dippy(weak, simple, knowledge, slang) | |
| furious(violent, wild, violence, mad) | |
| hysterical(upset, mad, irrational, distraught) | |
| kooky(weak, simple, wrong, wild) | |
| loco(slang, crazy, mad, irrational) | |
| mentally ill(expression, idiom, mad, sane) | |
| moronic(weak, simple, knowledge, ability) | |
| potty(wild, silly, foolish, stupid) | |
| certifiable | |
| inane(simple, foolish, crazy, fantastic) | |
| mindless(foolish, mad, unreasonable, illogical) | |
| unsound(wrong, silly, foolish, stupid) | |
| brainless(weak, simple, silly, foolish) | |
| crackers(simple, silly, foolish, disturbed) |
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| APA | Smart Define. (2015). insane thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/insane/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "insane thesaurus" https://smartdefine.org/insane/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, insane thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/insane/thesaurus/synonyms>. |
| MLA | Smart Define. "insane thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/insane/thesaurus/synonyms> |