- Definitions|1
- Thesaurus|1.7k
- Abbreviations|0
| goofy(adjective, silly, foolish, unwise) | |
| half-baked(adjective, silly, foolish, unwise) | |
| insane(adjective, silly, foolish, crazy, mad) | |
| nonsensical(adjective, silly, foolish, unwise) | |
| nut case(noun, expression, idiom) | |
| oddity | |
| wacky(adjective, silly, foolish, crazy, mad) | |
| weirdie(noun, slang, wise) | |
| barmy(adjective, silly, foolish, crazy, mad) | |
| cranky(adjective, usual) | |
| daffy | |
| fanatic(noun, person, character, crazy, eccentric) | |
| flake(noun, slang, crazy, sick, fanatic) | |
| flaky(adjective, silly, foolish, crazy, mad) | |
| fool(noun, adjective) | |
| gaga | |
| idiosyncratic(adjective, usual) | |
| nutjob(noun, slang, sick, mad person) | |
| potty(adjective, silly, foolish, mad, insane) | |
| preposterous(adjective, silly, foolish, unwise) |
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| APA | Smart Define. (2015). screwball thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/screwball/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "screwball thesaurus" https://smartdefine.org/screwball/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, screwball thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/screwball/thesaurus/synonyms>. |
| MLA | Smart Define. "screwball thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/screwball/thesaurus/synonyms> |