133 entries under stupidity topic. ×

1
fool mistake(noun, expression, mistake, rudeness, lapse)
1
foul-up(noun, mistake, rudeness, lapse, error)
1
gaucherie(noun, mistake, rudeness, lapse, error)
1
hanky-panky(noun, absurdity, shenanigans)
1
hastiness(noun, adjective, mistake, rudeness, lapse)
1
hokey-pokey(absurdity, shenanigans)
1
horse feathers(noun, expression, absurdity, silliness)
1
hot air(expression, account, explanation, excuse)
1
illogicalness(noun, inconsistency, silliness, irrationality)
1
inadvisability(nonsense, absurdity, madness, idiocy)
1
indiscreetness(noun, mistake, rudeness, lapse, error)
1
ingenuousness(noun, mistake, rudeness, lapse, error)
1
jazz(drivel, garbage, silliness, irrationality)
1
jive(account, explanation, excuse, nonsense, rubbish)
1
mischief-making(absurdity, shenanigans)
1
misjudgment(noun, adjective, mistake, rudeness, lapse)
1
misspeak(noun, mistake, rudeness, lapse, error)
1
mistake(noun, weakness, rudeness, lapse, error)
1
naiveté(mistake, rudeness, lapse, error, indiscretion)
1
obliquity(nonsense, absurdity, madness, idiocy)
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APASmart Define. (2016). foolishness thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/foolishness/thesaurus/synonyms
ChicagoSmart Define. 2016. "foolishness thesaurus" https://smartdefine.org/foolishness/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, foolishness thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/foolishness/thesaurus/synonyms>.
MLASmart Define. "foolishness thesaurus" 29 February 2016. Web. 27 September 2026. <https://smartdefine.org/foolishness/thesaurus/synonyms>