- Definitions|2
- Thesaurus|2.9k
- Abbreviations|0
204 entries under foolish topic. ×
| unintelligent(weak, simple, silly, thoughtless) | |
| unsettled(wrong, wild, silly, stupid) | |
| unsound(crazy, mad, unreasonable, irrational) | |
| unstable(careless, stupid, unreasonable, unthinking) | |
| vacant(adjective, stupid, senseless, irrational) | |
| weak(simple, extraordinary, silly, amazing) | |
| wrong(false, wild, awkward, unreasonable) | |
| acting crazy(expression, adjective, silly, crazy) | |
| all wet(expression, stupid, senseless, irrational) | |
| ape(silly, unwise) | |
| arbitrary(stupid, senseless, irrational, perverse) | |
| avid(adjective, rough, crazy, irrational) | |
| baseless(unreasonable, illogical) | |
| bats in the belfry(expression, idiom, silly, unwise) | |
| berserk(adjective, rough, wild, silly) | |
| beyond reason(expression, fantastic, unrealistic) | |
| biased(stupid, senseless, irrational, arbitrary) | |
| boisterous(adjective, rough, crazy, irrational) | |
| chaotic(adjective, rough, crazy, irrational) | |
| dingy(silly, unwise) |
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| APA | Smart Define. (2015). preposterous thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/preposterous/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "preposterous thesaurus" https://smartdefine.org/preposterous/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, preposterous thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/preposterous/thesaurus/synonyms>. |
| MLA | Smart Define. "preposterous thesaurus" 2 September 2015. Web. 23 September 2026. <https://smartdefine.org/preposterous/thesaurus/synonyms> |