Synonyms|218Antonyms|42|Broader|4Narrower|2Related|109
1
balderdash(noun, absurdity)
1
baloney(noun, absurdity)
1
brainlessness
1
bunk(nonsense, absurdity, stupidity, silliness, irrationality)
1
carrying-on(nonsense, absurdity, stupidity, silliness, irrationality)
1
claptrap(nonsense, absurdity, stupidity, silliness, irrationality)
1
contradiction(noun, absurdity)
1
curiosity(noun, ridiculousness)
1
daftness(noun, nonsense, absurdity, stupidity, foolishness)
1
dissipation(waste, luxury, extravagance, excess, absurdity)
1
dottiness(nonsense, absurdity, stupidity, foolishness, madness)
1
dubiousness(noun, ridiculousness)
1
dumb thing to do(expression, idiom, nonsense, absurdity, stupidity)
1
dumb trick(expression, nonsense, absurdity, stupidity, foolishness)
1
dumbness
1
exaggeration(waste, luxury, extravagance, excess, absurdity)
1
expenditure(waste, luxury, extravagance, excess, absurdity)
1
fallaciousness
1
fatuousness
1
fool trick(expression, nonsense, absurdity, stupidity, irrationality)
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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>