107 entries under stupid topic. ×

1
meaningless(dull, silly, foolish, unintelligent)
1
naive(adjective, calm, dull, simple, informal)
1
numskulled(adjective, dull, simple, sluggish)
1
shallow(adjective, simple, silly, sluggish)
1
stumbling(simple, uncertain, hesitant, clumsy)
0
addled(adjective, simple, sluggish, unintelligent)
0
asinine(adjective, silly, foolish, green)
0
bumbling(simple, uncertain, hesitant, clumsy)
0
credulous(adjective, silly, green, fat)
0
daffy(adjective, simple, silly, foolish)
0
deranged
0
fat(adjective, silly, green, thick)
0
fatheaded
0
illiterate(adjective, silly, green, fat)
0
matter of fact(expression, idiom, heavy)
0
mentally deficient(expression, silly, foolish)
0
mentally handicapped(expression, silly, foolish)
0
nitwitted(adjective, silly, green, fat)
0
not bright(expression, adjective, simple, sluggish)
0
not intelligent(expression, silly, foolish)
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APASmart Define. (2016). slow thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/slow/thesaurus/synonyms
ChicagoSmart Define. 2016. "slow thesaurus" https://smartdefine.org/slow/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, slow thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/slow/thesaurus/synonyms>.
MLASmart Define. "slow thesaurus" 29 March 2016. Web. 27 September 2026. <https://smartdefine.org/slow/thesaurus/synonyms>