253 entries under stupid topic. ×

21
brainless(adjective, dull, weak, simple, wrong)
20
laughable(adjective, dull, simple, silly)
20
unwise(adjective, weak, simple, wrong, careless)
18
daft(adjective, weak, simple, wild, strange)
18
imprudent(adjective, weak, simple, careless, wild)
18
nutty(adjective, weak, simple, wrong, wild)
18
unreasonable(adjective, weak, simple, wrong, careless)
17
frivolous(adjective, slight, careless, silly)
17
dopey(adjective, dull, simple, knowledge, slang)
17
dull(adjective, simple, rough, careless, silly)
17
ill-advised(adjective, dull, weak, simple, careless)
16
mindless(adjective, dull, simple, wrong, ability)
16
simple(adjective, dull, weak, slight, slow)
15
foolhardy(adjective, careless, wild, strange, silly)
15
wacky(adjective, weak, simple, wrong, knowledge)
14
loony(adjective, weak, simple, wrong, knowledge)
14
unintelligent(adjective, dull, weak, simple, slight)
14
witless(adjective, dull, weak, simple, ability)
13
injudicious(adjective, weak, simple, wrong, careless)
12
dotty(adjective, weak, simple, strange, silly)
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APASmart Define. (2016). foolish thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/foolish/thesaurus/synonyms
ChicagoSmart Define. 2016. "foolish thesaurus" https://smartdefine.org/foolish/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, foolish thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/foolish/thesaurus/synonyms>.
MLASmart Define. "foolish thesaurus" 24 March 2016. Web. 24 September 2026. <https://smartdefine.org/foolish/thesaurus/synonyms>