- Definitions|2
- Thesaurus|2.9k
- Abbreviations|0
204 entries under foolish topic. ×
| invalid(adjective, unreasonable, absurd, irrational) | |
| jerky(adjective, weak, simple, knowledge, slang) | |
| quixotic(adjective, happy, silly, fantastic) | |
| reckless(adjective, careless, wild, silly) | |
| screwball(adjective, silly, unwise) | |
| unrestrained(adjective, rough, crazy, unreasonable) | |
| unwise(adjective, weak, simple, silly) | |
| brainless(adjective, weak, simple, silly) | |
| contradictory(adjective, stupid, senseless, absurd) | |
| flaky(adjective, great, wrong, happy, perfect) | |
| flighty(adjective, simple, careless, wild) | |
| giddy(adjective, simple, rough, careless, wild) | |
| goofy(adjective, strange, stupid, fantastic) | |
| half-baked(weak, simple, careless, stupid) | |
| hare-brained(adjective, silly, crazy, zany) | |
| hilarious(adjective, silly, stupid, fantastic) | |
| irresponsible(adjective, wrong, careless, wild) | |
| loopy(adjective, knowledge, ability, informal) | |
| potty(adjective, wild, silly, stupid) | |
| puerile(adjective, silly, stupid, fantastic) |
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| APA | Smart Define. (2015). preposterous thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/preposterous/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "preposterous thesaurus" https://smartdefine.org/preposterous/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, preposterous thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/preposterous/thesaurus/synonyms>. |
| MLA | Smart Define. "preposterous thesaurus" 2 September 2015. Web. 22 September 2026. <https://smartdefine.org/preposterous/thesaurus/synonyms> |