152 entries under adjective topic. ×

5
injudicious(feature, speech, conduct, dullness)
5
empty-headed(mind, behavior, idiotism, characteristic)
5
unthinking(mind, foolishness, behavior, disability)
4
simpleminded(mind, behavior, idiotism, characteristic)
4
inane(characteristic, stupid, stupidity, foolishness)
4
stolid(characteristic, stupid, apathetic, stupidity)
3
slow-witted(mind, behavior, idiotism, characteristic)
3
dopy(mind, behavior, foolishness, disability)
3
heedless(feature, speech, conduct, dullness)
3
imbecilic(mind, behavior, idiotism, characteristic)
3
moronic(mind, behavior, idiotism, characteristic)
3
normal(characteristic, dull, stupid, stupidity)
3
rash(feature, speech, conduct, dullness)
3
reckless(characteristic, stupidity, foolishness)
3
shortsighted(feature, speech, conduct, dullness)
3
thickheaded(mind, behavior, foolishness, disability)
3
unaware(characteristic, dull, stupid, stupidity)
2
dorky(mind, behavior, idiotism, slang)
2
gormless(mind, behavior, idiotism, british)
1
airheaded(mind, behavior, idiotism)
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APASmart Define. (2016). intelligent thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/intelligent/thesaurus/antonyms
ChicagoSmart Define. 2016. "intelligent thesaurus" https://smartdefine.org/intelligent/thesaurus/antonyms (accessed September 28, 2026).
HarvardSmart Define 2016, intelligent thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/intelligent/thesaurus/antonyms>.
MLASmart Define. "intelligent thesaurus" 24 March 2016. Web. 28 September 2026. <https://smartdefine.org/intelligent/thesaurus/antonyms>