Synonyms|218Antonyms|42|Broader|4Narrower|2Related|109
1
foolery(noun, ability, nonsense, absurdity, stupidity)
1
frill(waste, luxury, extravagance, excess, absurdity)
1
futility(absurdity, ridiculousness, pointlessness)
1
grotesqueness(noun, ridiculousness)
1
horse feathers(expression, nonsense, absurdity, stupidity, irrationality)
1
icing on the cake(expression, idiom, waste, luxury, excess)
1
illogic
1
illogicality
1
immoderation(waste, luxury, extravagance, excess, absurdity)
1
implausibility(noun, absurdity)
1
improvidence(waste, luxury, extravagance, excess, absurdity)
1
imprudence(nonsense, absurdity, stupidity, foolishness, madness)
1
inadvisability(nonsense, absurdity, stupidity, foolishness, madness)
1
incongruity(noun, absurdity)
1
inconsistency(noun, absurdity)
1
incredibility(noun, ridiculousness)
1
indiscretion(nonsense, absurdity, stupidity, foolishness, madness)
1
indulgence waste
1
insensibility(nonsense, absurdity, stupidity, silliness, irrationality)
1
invalidity(noun, absurdity)
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ChicagoSmart Define. 2015. "preposterousness thesaurus" https://smartdefine.org/preposterousness/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, preposterousness thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/preposterousness/thesaurus/synonyms>.
MLASmart Define. "preposterousness thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/preposterousness/thesaurus/synonyms>