183 entries under adjective topic. ×

8
inane(dull, simple, slight, silly)
7
ignorant(simple, slight, slow, silly)
7
slow-witted(mind, think, stupid)
7
unwise(weak, simple, silly, foolish)
6
dim(dull, simple, slow, foolish)
6
shallow(simple, slight, slow, silly)
6
stolid(dull, simple, slow, foolish)
6
unintellectual(simple, slow, stupid, boring)
6
unreasoning
6
unthinking(dull, simple, slight, silly)
5
insensate(dull, simple, ability, slow)
5
asinine(weak, simple, silly, foolish)
5
daft(weak, simple, slow, silly)
5
dim-witted(dull, simple, slow, foolish)
5
irrational(weak, simple, silly, foolish)
5
opaque(dull, silly, foolish, stupid)
5
thoughtless(careless, indifferent, silly, foolish)
5
weak-minded(ability, mind, think, planned)
4
brute
4
feeble-minded(dull, simple, slow, foolish)
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APASmart Define. (2016). unintelligent thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/unintelligent/thesaurus/synonyms
ChicagoSmart Define. 2016. "unintelligent thesaurus" https://smartdefine.org/unintelligent/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, unintelligent thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/unintelligent/thesaurus/synonyms>.
MLASmart Define. "unintelligent thesaurus" 24 March 2016. Web. 28 September 2026. <https://smartdefine.org/unintelligent/thesaurus/synonyms>