61 entries under stupid topic. ×

3
stolid(adjective, simple, slow, sluggish)
3
unintelligent(adjective, dull, simple, slow, silly)
2
feeble(adjective, silly, green, fat)
2
idiotic(adjective, silly, foolish, vague)
2
imbecilic(adjective, simple, slow, foolish)
1
brainless(adjective, simple, slow, silly)
1
daffy(adjective, simple, slow, foolish)
1
daft(adjective, simple, slow, foolish)
1
foolish(adjective, silly, vague, impulsive)
1
inane(adjective, silly, foolish, vague)
1
inexperienced(adjective, silly, green, fat)
1
insensate(adjective, simple, slow, silly)
1
low(adjective, dull, simple, moderate, slow)
1
mindless(adjective, silly, green, fat)
1
scatterbrained(adjective, simple, slow, foolish)
1
senseless(adjective, slow, silly, foolish)
1
shallow(adjective, simple, slow, silly)
1
silly(adjective, foolish, vague, impulsive)
1
witless(adjective, simple, slow, silly, foolish)
0
addled(adjective, simple, slow, boring)
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APASmart Define. (2016). backward thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/backward/thesaurus/synonyms
ChicagoSmart Define. 2016. "backward thesaurus" https://smartdefine.org/backward/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, backward thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/backward/thesaurus/synonyms>.
MLASmart Define. "backward thesaurus" 23 March 2016. Web. 25 September 2026. <https://smartdefine.org/backward/thesaurus/synonyms>