8
doltish(adjective, mind, foolishness, behavior, disability)
8
ignorant(adjective, behavior, mind, idiotism, characteristic)
8
simple(adjective, mind, behavior, idiotism, characteristic)
8
soft(adjective, mind, behavior, idiotism, strong)
8
uneducated(adjective, mind, behavior, idiotism, characteristic)
8
uninformed(adjective, mind, behavior, idiotism, characteristic)
8
unwise(adjective, feature, mind, speech, behavior)
7
idiotic(adjective, characteristic, mind, stupid, behavior)
7
half-witted(adjective, mind, foolishness, behavior, disability)
7
imbecile(adjective, mind, stupid, behavior, idiotism)
7
unreasonable(adjective, foolishness, mind, disability, characteristic)
6
irrational(adjective, foolishness, mind, disability, characteristic)
6
absurd(adjective, mind, behavior, idiotism, characteristic)
6
asinine(adjective, mind, behavior, idiotism, characteristic)
6
dim-witted(adjective, behavior, mind, idiotism, characteristic)
6
harebrained(adjective, mind, behavior, idiotism, characteristic)
6
witless(adjective, mind, behavior, idiotism, characteristic)
5
daft(adjective, mind, behavior, idiotism, characteristic)
5
imprudent(adjective, feature, speech, conduct, dullness)
5
indiscreet(adjective, feature, speech, conduct, dullness)
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APASmart Define. (2016). intelligent thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/intelligent/thesaurus/antonyms
ChicagoSmart Define. 2016. "intelligent thesaurus" https://smartdefine.org/intelligent/thesaurus/antonyms (accessed September 24, 2026).
HarvardSmart Define 2016, intelligent thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/intelligent/thesaurus/antonyms>.
MLASmart Define. "intelligent thesaurus" 24 March 2016. Web. 24 September 2026. <https://smartdefine.org/intelligent/thesaurus/antonyms>