- Definitions|2
- Thesaurus|3.2k
- Abbreviations|0
414 entries under adjective topic. ×
| eccentric(noun, wild, strange, silly) | |
| frenetic(upset, violent, wild, mad) | |
| goofy(silly, foolish, fantastic, unwise) | |
| loopy(knowledge, ability, informal, foolish) | |
| manic(evil, wild, stupid, hot) | |
| not all there(expression, idiom, crazy, unstable) | |
| out to lunch(expression, idiom, silly, crazy) | |
| witless(weak, simple, silly, foolish) | |
| crack-brained | |
| cockeyed(knowledge, ability, informal, silly) | |
| disordered(crazy, confused, irrational, distracted) | |
| distraught(upset, wrong, wild, foolish) | |
| off | |
| sappy(knowledge, slang, ability, foolish) | |
| thoughtless(silly, unwise) | |
| bananas(slang, sane) | |
| brainsick(wrong, wild, crazy, confused) | |
| buggy(slang, silly, foolish, crazy) | |
| fruity(slang, silly, foolish, mad) | |
| gaga(informal, sane, distraught, batty) |
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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> |