- Definitions|2
- Thesaurus|4.5k
- Abbreviations|0
96 entries under foolish topic. ×
| invalid(adjective, bad, weak, correct, wrong) | |
| unstable(adjective, characteristic, quality, finance, banking) | |
| fallacious(adjective, bad, correct, wrong, fake) | |
| wrong(adjective, bad, correct, fake, false) | |
| illogical(adjective, correct, wrong, false, silly) | |
| risky(adjective, dangerous, characteristic, quality, finance) | |
| unfounded(adjective, wrong, fake, false, counterfeit) | |
| groundless(adjective, unreasonable, error, reasoning) | |
| mad(adjective, wrong, false, silly) | |
| unsafe(adjective, characteristic, quality, finance, dangerous) | |
| unreasonable(adjective, wrong, false, silly) | |
| specious(adjective, bad, correct, wrong, fake) | |
| irrational(adjective, wrong, false, silly) | |
| demented(adjective, crazy, unstable, well) | |
| unbalanced(adjective, simple, crazy, well) | |
| insane(adjective, wrong, silly, stupid) | |
| irresponsible(adjective, characteristic, quality, finance, banking) | |
| senseless(adjective, wrong, false, careless, silly) | |
| absurd(adjective, wrong, silly, stupid) | |
| crazy(adjective, wrong, silly, stupid) |
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| APA | Smart Define. (2015). unsound thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/unsound/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "unsound thesaurus" https://smartdefine.org/unsound/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, unsound thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/unsound/thesaurus/synonyms>. |
| MLA | Smart Define. "unsound thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/unsound/thesaurus/synonyms> |