- Definitions|1
- Thesaurus|1.8k
- Abbreviations|0
31 entries under loony topic. ×
| crazy(noun, adjective, person, foolish, mad) | |
| lunatic(noun, adjective, person, crazy, mad) | |
| maniac(noun, person, crazy, mad, eccentric) | |
| screwball(noun, adjective, person, character, slang) | |
| kook(noun, person, character, slang, crazy) | |
| nut(noun, character, slang, crazy, mad) | |
| crank(noun, informal, crazy, mad, original) | |
| bedlamite(noun, person, character, crazy, nut) | |
| freak(noun, person, crazy, nut, fanatic) | |
| nutcase(noun, character, nut, fanatic, freak) | |
| psycho(noun, person, mad, nut, fanatic) | |
| psychopath(noun, person, crazy, mad, nut) | |
| oddball(noun, adjective, character, crazy, eccentric) | |
| weirdo(noun, character, slang, crazy, wise) | |
| eccentric(noun, adjective, character, crazy, original) | |
| fruitcake(noun, character, crazy, mad, eccentric) | |
| nut case(noun, expression, idiom, character, crazy) | |
| zealot(noun, person, crazy, original, nut) | |
| loon(noun, informal, fool, crazy, mad) | |
| wacko(noun, character, crazy, eccentric, lunatic) |
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| APA | Smart Define. (2015). crackpot thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/crackpot/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "crackpot thesaurus" https://smartdefine.org/crackpot/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2015, crackpot thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/crackpot/thesaurus/synonyms>. |
| MLA | Smart Define. "crackpot thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/crackpot/thesaurus/synonyms> |