1
blankminded
1
blind
1
brain-dead
1
brutish(adjective, silly, foolish, senseless, unnecessary)
1
bubbleheaded
1
callow
1
careless(adjective, silly, foolish, senseless, rash)
1
childish(silly, foolish, rash, absurd, risky)
1
cockamamy(silly, foolish, thoughtless, unwise, mindless)
1
daydreaming(adjective, indifferent, silly, foolish, idle)
1
defective(adjective, unintellectual)
1
dorky
1
dotty(weak, simple, silly, foolish, thoughtless)
1
double talk(expression, adjective, silly, stupid, insignificant)
1
dozy
1
dunderpated
1
fantastic(weak, simple, silly, foolish, thoughtless)
1
feather-headed
1
flaky(adjective, silly, stupid, insignificant, unreasonable)
1
flighty(adjective, simple, slight, foolish, stupid)
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APASmart Define. (2016). unintelligent thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/unintelligent/thesaurus/synonyms
ChicagoSmart Define. 2016. "unintelligent thesaurus" https://smartdefine.org/unintelligent/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, unintelligent thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/unintelligent/thesaurus/synonyms>.
MLASmart Define. "unintelligent thesaurus" 24 March 2016. Web. 27 September 2026. <https://smartdefine.org/unintelligent/thesaurus/synonyms>