- Definitions|2
- Thesaurus|1.4k
- Abbreviations|0
| zaniness(noun, ability, absurdity, stupidity, unreasonableness) | |
| banana | |
| bizarreness(noun, absurdity, ridiculousness) | |
| contradiction(noun, absurdity, inconsistency, irrationality) | |
| dementia(stupidity, madness, irrationality, craziness, folly) | |
| density | |
| doltishness(stupidity, slowness) | |
| emptiness | |
| flapdoodle(nonsense, rubbish, stupidity, silliness, irrationality) | |
| foolhardiness(noun, recklessness, stupidity, madness, silliness) | |
| garbage(nonsense, rubbish, drivel, baloney, twaddle) | |
| gobbledygook(noun, account, explanation, excuse, nonsense) | |
| high spirits(expression, humor, absurdity, lightness, mirth) | |
| illiteracy(noun, ignorance) | |
| illogic | |
| incaution(noun, carelessness, recklessness, rashness, imprudence) | |
| incompetence(rudeness, indiscretion, thoughtlessness, imbecility folly) | |
| inconsistency(noun, absurdity, irrationality) | |
| indulgence | |
| ineptness(rudeness, indiscretion, thoughtlessness) |
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| APA | Smart Define. (2016). foolishness thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/foolishness/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "foolishness thesaurus" https://smartdefine.org/foolishness/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, foolishness thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/foolishness/thesaurus/synonyms>. |
| MLA | Smart Define. "foolishness thesaurus" 29 February 2016. Web. 22 September 2026. <https://smartdefine.org/foolishness/thesaurus/synonyms> |