257 entries under foolish topic. ×
| unsightly(adjective, offensive, rude, vulgar) | |
| unsound(adjective, wrong, silly, crazy) | |
| unworkable(weak, silly, idle, useless) | |
| wrong(adjective, crazy, unreasonable, senseless) | |
| aberrant(unreasonable, illogical) | |
| all wet(expression, senseless, irrational, arbitrary) | |
| ape(silly, unwise) | |
| arbitrary(senseless, irrational, perverse) | |
| astigmatic(adjective, careless, thoughtless, unthinking) | |
| baseless(unreasonable, illogical) | |
| bats in the belfry(expression, idiom, silly, unwise) | |
| berserk(silly, unwise) | |
| beyond all reason(expression, idiom, silly, unwise) | |
| biased(adjective, wrong, senseless, absurd) | |
| blithering | |
| capricious(senseless, irrational, arbitrary, perverse) | |
| chuckle-headed | |
| derailed | |
| derisory(silly, funny, absurd, unwise) | |
| dingy(silly, unwise) |
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| APA | Smart Define. (2016). stupid thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/stupid/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "stupid thesaurus" https://smartdefine.org/stupid/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, stupid thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/stupid/thesaurus/synonyms>. |
| MLA | Smart Define. "stupid thesaurus" 2 April 2016. Web. 26 September 2026. <https://smartdefine.org/stupid/thesaurus/synonyms> |