68 entries under foolishness topic. ×

8
lunacy(noun, ability, apathy, absurdity, stupidity)
8
nonsensicality(noun, silliness, foolhardiness)
7
imbecility(noun, ability, apathy, absurdity, stupidity)
7
insanity(noun, ability, absurdity, stupidity)
7
preposterousness(noun, ability, absurdity, stupidity)
7
tomfoolery(noun, trouble, play, pleasure, excitement)
6
giddiness(noun, merriment, mischief, levity)
6
rashness(noun, absurdity, stupidity, madness)
6
ridiculousness(noun, sham, absurdity, mockery)
5
buffoonery(noun, play, pleasure, excitement, sport)
5
horseplay(noun, trouble, play, pleasure, excitement)
5
imprudence(noun, extravagance, apathy, absurdity, stupidity)
4
antics(trouble, absurdity, mischief, to-do)
4
asininity(noun, apathy, absurdity, silliness)
4
brainlessness(noun, apathy, absurdity, stupidity)
4
falderal(noun, folderol)
4
fatuity(noun, apathy, absurdity, stupidity)
4
tommyrot(noun, knowledge, informal, absurdity, rubbish)
3
daftness(noun, absurdity, stupidity, madness)
3
dottiness(noun, absurdity, stupidity, madness)
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APASmart Define. (2016). nonsense thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/nonsense/thesaurus/synonyms
ChicagoSmart Define. 2016. "nonsense thesaurus" https://smartdefine.org/nonsense/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, nonsense thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/nonsense/thesaurus/synonyms>.
MLASmart Define. "nonsense thesaurus" 29 March 2016. Web. 26 September 2026. <https://smartdefine.org/nonsense/thesaurus/synonyms>