48 entries under weak topic. ×

22
stupid(adjective, dull, simple, mind)
17
foolish(adjective, dull, simple, slight)
16
fatuous(adjective, simple, ability, silly)
16
silly(adjective, simple, slight, ability)
15
brainless(adjective, dull, simple, ability)
15
doltish(adjective, dull, simple, slow)
14
senseless(adjective, dull, simple, ability)
13
witless(adjective, dull, simple, ability)
12
simple(adjective, dull, slight, slow)
11
idiotic(adjective, dull, simple, mind)
11
moronic(adjective, dull, simple, mind)
8
imbecilic(adjective, dull, simple, slow)
7
unwise(adjective, simple, silly, foolish)
5
asinine(adjective, simple, silly, foolish)
5
daft(adjective, simple, slow, silly)
5
irrational(adjective, simple, silly, foolish)
4
feebleminded(adjective, simple, silly, foolish)
4
half-witted(adjective, dull, simple, slow)
4
nonsensical(adjective, dull, simple, silly)
4
ridiculous(adjective, simple, mind, think)
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APASmart Define. (2016). unintelligent thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/unintelligent/thesaurus/synonyms
ChicagoSmart Define. 2016. "unintelligent thesaurus" https://smartdefine.org/unintelligent/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, unintelligent thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/unintelligent/thesaurus/synonyms>.
MLASmart Define. "unintelligent thesaurus" 24 March 2016. Web. 26 September 2026. <https://smartdefine.org/unintelligent/thesaurus/synonyms>