- Definitions|1
- Thesaurus|1.8k
- Abbreviations|0
150 entries under adjective topic. ×
| insane(noun, impractical, eccentric, half-baked) | |
| crazy(noun, person, foolish, mad) | |
| lunatic(noun, person, crazy, mad) | |
| loony(noun, person, informal, foolish) | |
| screwball(noun, person, character, slang) | |
| madman(noun, person, crazy, mad) | |
| psychotic(noun, person, mad, madness) | |
| mad(crazy, odd, insane, lunatic) | |
| wild(crazy, mad, odd, insane) | |
| absurd(foolish, crazy, mad, odd) | |
| oddball(noun, character, crazy, eccentric) | |
| nonsensical(foolish, crazy, mad, odd) | |
| eccentric(noun, character, crazy, original) | |
| cuckoo(noun, slang, mad, wise) | |
| foolish(foolish, impractical, half-baked, doomed) | |
| balmy(crazy, mad, odd, insane) | |
| barmy(crazy, mad, odd, insane) | |
| daft(crazy, mad, odd, insane) | |
| wacky(crazy, mad, odd, insane) | |
| crazed(crazy, mad, odd, insane) |
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| APA | Smart Define. (2015). crackpot thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/crackpot/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "crackpot thesaurus" https://smartdefine.org/crackpot/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, crackpot thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/crackpot/thesaurus/synonyms>. |
| MLA | Smart Define. "crackpot thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/crackpot/thesaurus/synonyms> |