- Definitions|1
- Thesaurus|95
- Abbreviations|0
| crazy(fanatic, loony, dingbat, ultraist) | |
| nut(noun, crazy, fanatic, loony, lamebrain) | |
| crackpot(noun, character, crazy, loony, dissentient) | |
| fruitcake(noun, character, fanatic, dissentient, misfit) | |
| crank | |
| screwball | |
| Nut | |
| ding-a-ling(noun, character, fanatic, dissentient, crackpot) | |
| dingbat(noun, character, crazy, fanatic, loony) | |
| deranged person(expression, character, fanatic, dissentient, misfit) | |
| loon(noun, fanatic, crackpot, dingbat, ultraist) | |
| madwoman(character, crazy, fanatic, loony, dissentient) | |
| newfangled contraption(expression, character, fanatic, dissentient, misfit) | |
| psycho | |
| wacko(character, crazy, fanatic, loony, dissentient) | |
| activist(fanatic, dingbat, ultraist) | |
| addict | |
| ball | |
| bedlamite(character, fanatic, dissentient, misfit, lamebrain) | |
| character(dissentient, misfit) |
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| APA | Smart Define. (2015). nut case thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/nut_case/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "nut case thesaurus" https://smartdefine.org/nut_case/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2015, nut case thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/nut_case/thesaurus/synonyms>. |
| MLA | Smart Define. "nut case thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/nut_case/thesaurus/synonyms> |