- Definitions|2
- Thesaurus|620
- Abbreviations|0
79 entries under foolishness topic. ×
| mental illness(noun, expression, idiom, disorder, sane) | |
| tomfoolery(noun, ability, nonsense, absurdity, stupidity) | |
| distraction(noun, passion, excitement, anger, rage) | |
| hallucination(noun, restlessness, insanity, irrationality) | |
| irrationality(noun, nonsense, absurdity, stupidity) | |
| alienation(noun, psychology, sane, stupidity) | |
| nuttiness(noun, stupidity, insanity) | |
| unbalance(noun, sane, stupidity, insanity) | |
| witlessness(nonsense, absurdity, stupidity, madness) | |
| zaniness(noun, ability, absurdity, stupidity) | |
| brainlessness(noun, apathy, nonsense, absurdity, stupidity) | |
| foolhardiness(noun, stupidity, madness, irrationality) | |
| hysteria(noun, love, passion, desire, excitement) | |
| wackiness | |
| daftness(noun, nonsense, absurdity, stupidity) | |
| delusion(stupidity, insanity, irrationality, folly) | |
| neurosis(noun, depression, stupidity, insanity) | |
| buffoonery(absurdity, stupidity, shenanigans) | |
| frivolity(silliness, foolhardiness) | |
| giddiness(fun, absurdity, mischief, silliness) |
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| APA | Smart Define. (2015). lunacy thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/lunacy/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "lunacy thesaurus" https://smartdefine.org/lunacy/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, lunacy thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/lunacy/thesaurus/synonyms>. |
| MLA | Smart Define. "lunacy thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/lunacy/thesaurus/synonyms> |