96 entries under stupid topic. ×

7
imbecilic(adjective, dull, simple, slow, silly)
7
lumpish(adjective, dull, heavy, vulgar)
7
moronic(adjective, dull, simple, slow, silly)
6
backward(adjective, dull, simple, slow, silly)
6
foolish(adjective, dull, simple, slow, silly)
6
impassive(adjective, dull, slow, unresponsive)
6
unintelligent(adjective, dull, simple, slow, silly)
5
dopey(adjective, dull, simple, slang, ability)
5
phlegmatic(adjective, dull, slow, impassive)
5
torpid(adjective, dull, slow, silly)
4
boorish(adjective, dull, rough, slow)
4
dimwitted(adjective, dull, simple, slang, ability)
4
fat(adjective, big, heavy, silly)
4
fatheaded(adjective, dull, slow)
4
mindless(adjective, dull, simple, silly, foolish)
4
oafish(adjective, dull, simple, rough, slow)
4
weak-minded(adjective, dull, slow)
3
blunt(adjective, dull, heavy, impassive)
3
brainless(adjective, dull, simple, slow, silly)
3
empty-headed(adjective, simple, silly, foolish)
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APASmart Define. (2015). dense thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/dense/thesaurus/synonyms
ChicagoSmart Define. 2015. "dense thesaurus" https://smartdefine.org/dense/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, dense thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/dense/thesaurus/synonyms>.
MLASmart Define. "dense thesaurus" 17 July 2015. Web. 25 September 2026. <https://smartdefine.org/dense/thesaurus/synonyms>