8
simpleminded(adjective, characteristic, stupidity, foolishness)
8
unthinking(adjective, characteristic, stupidity, foolishness)
8
unwise(adjective, characteristic, stupidity, foolishness)
8
witless(adjective, characteristic, stupidity, foolishness)
8
worn(adjective, characteristic, dullness, stupidity)
7
imprudent(adjective, characteristic, stupidity, foolishness)
7
indiscreet(adjective, characteristic, stupidity, foolishness)
7
old-fashioned(adjective, characteristic, dullness, stupidity)
7
puerile(adjective, characteristic, stupidity, foolishness)
7
sluggish(adjective, characteristic, stupidity, foolishness)
7
thick-headed(adjective, characteristic, stupidity, foolishness)
7
thoughtless(adjective, characteristic, stupidity, foolishness)
6
assuage(verb, support, action, help, aid)
6
dazed(adjective, characteristic, stupidity, foolishness)
6
deficient(adjective, characteristic, stupidity, foolishness)
6
dummy(adjective, characteristic, stupidity, foolishness)
6
futile(adjective, characteristic, stupidity, foolishness)
6
heedless(adjective, characteristic, stupidity, foolishness)
6
help(verb, support, action, aid)
6
imbecilic(adjective, characteristic, stupidity, foolishness)
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APASmart Define. (2016). smart thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/smart/thesaurus/antonyms
ChicagoSmart Define. 2016. "smart thesaurus" https://smartdefine.org/smart/thesaurus/antonyms (accessed September 24, 2026).
HarvardSmart Define 2016, smart thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/smart/thesaurus/antonyms>.
MLASmart Define. "smart thesaurus" 24 March 2016. Web. 24 September 2026. <https://smartdefine.org/smart/thesaurus/antonyms>