6
irrationality(noun, nonsense, absurdity, stupidity, foolishness)
6
pointlessness(noun, absurdity, uselessness, ridiculousness, senselessness)
6
vacuousness(noun, full, space, void, emptiness)
5
brainlessness(noun, thoughtlessness, foolishness)
5
buffoonery(noun, absurdity, stupidity, foolishness, shenanigans)
5
foolery(noun, nonsense, absurdity, stupidity, foolishness)
5
madness(noun, nonsense, absurdity, stupidity, foolishness)
5
meaninglessness(noun, absurdity, silliness, irrationality, uselessness)
5
platitude(noun, dull, dullness, triviality, levity)
4
balderdash(noun, nonsense, absurdity, rubbish, drivel)
4
barrenness(noun, full, emptiness)
4
dottiness(noun, nonsense, absurdity, stupidity, foolishness)
4
eccentricity(noun, absurdity)
4
fatuousness
4
frivolity(noun, foolishness, triviality, levity, silliness)
4
futility(noun, absurdity, foolishness, silliness, uselessness)
4
hollowness(noun, full, triviality, levity, superficiality)
4
ridiculousness(noun, absurdity, stupidity, foolishness, drivel)
4
thoughtlessness(noun, thoughtlessness, drivel, garbage, silliness)
4
vacuum(space, void)
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APASmart Define. (2015). inanity thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/inanity/thesaurus/synonyms
ChicagoSmart Define. 2015. "inanity thesaurus" https://smartdefine.org/inanity/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, inanity thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/inanity/thesaurus/synonyms>.
MLASmart Define. "inanity thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/inanity/thesaurus/synonyms>