- Definitions|2
- Thesaurus|3.8k
- Abbreviations|0
| buffoonish | |
| capricious(careless, stupid, senseless, irrational, negligent) | |
| clueless(adjective, stupid) | |
| cretinous(adjective, unintellectual) | |
| cushion-witted(adjective, stupid) | |
| dilly | |
| distracted(crazy, fantastic, hysterical, psychotic) | |
| erroneous(adjective, unreasonable, unwise, mistaken, ill-advised) | |
| fantastical | |
| fatuitous | |
| feeble(adjective, silly, stupid, green, fat) | |
| flaky(adjective, wrong, wild, silly, stupid) | |
| flimsy | |
| gaga | |
| headless | |
| headlong(adjective, careless, stupid, thoughtless, impulsive) | |
| hilarious(adjective, silly, stupid, absurd, amusing) | |
| humorous(adjective, silly, crazy, amusing, irritating) | |
| ill-conceived(silly, fantastic, impulsive, unwise, half-baked) | |
| illiterate(adjective, silly, stupid, green, fat) |
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| APA | Smart Define. (2016). foolish thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/foolish/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "foolish thesaurus" https://smartdefine.org/foolish/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2016, foolish thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/foolish/thesaurus/synonyms>. |
| MLA | Smart Define. "foolish thesaurus" 24 March 2016. Web. 21 September 2026. <https://smartdefine.org/foolish/thesaurus/synonyms> |