- Definitions|1
- Thesaurus|735
- Abbreviations|0
31 entries under foolishness topic. ×
| nonsense(absurdity, stupidity, madness, idiocy) | |
| obliquity(nonsense, absurdity, stupidity, madness) | |
| preposterousness(nonsense, absurdity, stupidity, madness) | |
| rashness(nonsense, absurdity, stupidity, madness) | |
| ridiculous idea(expression, nonsense, absurdity, stupidity) | |
| senselessness(nonsense, absurdity, stupidity, madness) | |
| silliness(nonsense, absurdity, stupidity, madness) | |
| triviality(nonsense, absurdity, stupidity, madness) | |
| vice(noun, weakness, crack, fault, blemish) | |
| witlessness(nonsense, absurdity, stupidity, madness) | |
| foolhardiness(madness, idiocy) |
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| APA | Smart Define. (2016). unsoundness thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/unsoundness/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "unsoundness thesaurus" https://smartdefine.org/unsoundness/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2016, unsoundness thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/unsoundness/thesaurus/synonyms>. |
| MLA | Smart Define. "unsoundness thesaurus" 29 February 2016. Web. 27 September 2026. <https://smartdefine.org/unsoundness/thesaurus/synonyms> |