- Definitions|1
- Thesaurus|1.7k
- Abbreviations|0
45 entries under sick topic. ×
| nut(noun, person, slang, crazy) | |
| loony(noun, adjective, slang, informal, wild) | |
| kook(noun, person, slang, wise) | |
| nutcase(noun, slang, fanatic, loony) | |
| cuckoo(noun, adjective, slang, silly, crazy) | |
| nutter(noun, slang, mad person) | |
| loon(noun, slang, informal, wise) | |
| nuts(noun, adjective, slang, silly, mad) | |
| psycho(noun, slang, silly, mad) | |
| flake(noun, slang, crazy, fanatic) | |
| nutjob(noun, slang, mad person) | |
| mental(noun, adjective, slang, silly, mad) | |
| schizo(noun, slang, silly, foolish, mad) | |
| goof(noun, person, slang, mad person) | |
| luny(noun, slang, mad person) | |
| basket case(noun, slang, mad person) | |
| coo-coo(noun, slang, mad person) | |
| crack-brain(noun, slang, mad person) | |
| crack-skull(noun, slang, mad person) | |
| fruit-cake(noun, slang, mad person) |
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| APA | Smart Define. (2015). screwball thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/screwball/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "screwball thesaurus" https://smartdefine.org/screwball/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, screwball thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/screwball/thesaurus/synonyms>. |
| MLA | Smart Define. "screwball thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/screwball/thesaurus/synonyms> |