67 entries under unintelligent topic. ×

3
lunatic(adjective, simple, silly, foolish, crazy)
3
obtuse(adjective, dull, simple, slow, careless)
2
dazed(dull, witless)
2
dim(adjective, dull, weak, simple, slow)
2
ill-advised(adjective, dull, careless, foolish, stupid)
2
naive(dull, foolish, rash, risky)
2
slow(adjective, dull, simple, silly, foolish)
2
thick(adjective, dull, simple, slow, silly)
2
unreasoning(careless, stupid, unthinking, obtuse)
1
birdbrained(silly, foolish, stupid, crazy, insane)
1
boneheaded(silly, impractical, unaware, half-baked)
1
deficient(dull, silly, foolish, stupid)
1
gullible(adjective, dull, simple, slow, silly)
1
immature(adjective, silly, foolish, stupid, absurd)
1
indiscreet(adjective, dull, foolish, rash, risky)
1
insensate(adjective, dull, simple, slow, silly)
1
irrelevant(dull, insignificant, useless, senseless, ridiculous)
1
lamebrained(careless, silly, stupid, unthinking)
1
rash(adjective, dull, careless, foolish, stupid)
1
simpleminded(dull, silly, foolish, stupid, absurd)
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APASmart Define. (2015). inane thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/inane/thesaurus/synonyms
ChicagoSmart Define. 2015. "inane thesaurus" https://smartdefine.org/inane/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, inane thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/inane/thesaurus/synonyms>.
MLASmart Define. "inane thesaurus" 13 April 2015. Web. 30 September 2026. <https://smartdefine.org/inane/thesaurus/synonyms>