- Definitions|2
- Thesaurus|4.5k
- Abbreviations|0
96 entries under foolish topic. ×
| frantic(crazy, fantastic, insane, irrational) | |
| freaky(unstable, unreasonable, disturbed, illogical) | |
| fried(simple, silly, crazy, mad) | |
| giddy(simple, silly, uneven, unbalanced) | |
| idiotic(adjective, silly, stupid, crazy) | |
| in the ozone(expression, idiom, simple, silly) | |
| inane(adjective, simple, careless, silly) | |
| inappropriate(wrong, false, rash, incorrect) | |
| kooky(crazy, mad, unstable, unreasonable) | |
| ludicrous(adjective, silly, stupid, crazy) | |
| nonsensical(adjective, wrong, silly, stupid) | |
| preposterous(crazy, mad, unreasonable, irrational) | |
| raving(unreasonable, illogical) | |
| silly(adjective, simple, wrong, careless) | |
| simple(adjective, silly, stupid, insignificant) | |
| stupid(adjective, wrong, silly, crazy) | |
| unintelligent(adjective, careless, silly, stupid) | |
| whacko(simple, silly, crazy, mad) | |
| brainless(unreasonable, illogical) | |
| childish(rash, risky) |
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| APA | Smart Define. (2015). unsound thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/unsound/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "unsound thesaurus" https://smartdefine.org/unsound/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, unsound thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/unsound/thesaurus/synonyms>. |
| MLA | Smart Define. "unsound thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/unsound/thesaurus/synonyms> |