207 entries under foolish topic. ×
| fruity(adjective, slang, silly, insane) | |
| irresponsible(adjective, wrong, wild, silly) | |
| madcap(adjective, rough, silly, crazy) | |
| moonstruck(adjective, silly, stupid, insane) | |
| psycho(noun, adjective, wild, silly) | |
| cockeyed(adjective, knowledge, ability, informal, silly) | |
| hare-brained(adjective, silly, crazy, zany) | |
| impetuous(adjective, rough, passionate, violent, cruel) | |
| puerile(adjective, silly, unwise, unintelligent) | |
| unrestrained(adjective, rough, violent, cruel) | |
| unthinking(adjective, unreasonable, illogical) | |
| zany(adjective, weak, simple, knowledge, ability) | |
| capricious(adjective, characteristic, person, lively) | |
| chaotic(adjective, rough, wild, crazy) | |
| eager(adjective, rough, crazy, irrational) | |
| freaky(adjective, characteristic, person, unusual, strange) | |
| ill-advised(adjective, weak, simple, silly) | |
| ill-considered(adjective, weak, simple, silly) | |
| indiscreet(adjective, weak, simple, silly) | |
| outlandish(adjective, unusual, strange, silly) |
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| APA | Smart Define. (2016). mad thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/mad/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "mad thesaurus" https://smartdefine.org/mad/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, mad thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/mad/thesaurus/synonyms>. |
| MLA | Smart Define. "mad thesaurus" 24 March 2016. Web. 26 September 2026. <https://smartdefine.org/mad/thesaurus/synonyms> |