68 entries under stupid topic. ×

6
undiscerning(adjective, careless, indifferent, foolish)
6
unreasoning(adjective, careless, foolish, unreasonable)
5
crazy(adjective, careless, foolish, unreasonable)
5
idiotic(adjective, dull, simple, slow, silly)
5
nonsensical(adjective, dull, foolish, unreasonable)
5
unintelligent(adjective, dull, simple, slight, silly)
5
witless(adjective, dull, simple, slow, careless)
4
absent-minded(adjective, careless, indifferent, foolish)
4
imbecilic(adjective, dull, simple, slow, silly)
4
irresponsible(adjective, careless, foolish, careful)
4
unobservant(adjective, careless, indifferent, foolish)
2
absurd(adjective, careless, foolish, unreasonable)
2
dull(adjective, careless, unintelligent, obtuse)
2
inept(careless, thoughtless, insensitive, obtuse)
2
preposterous(adjective, careless, foolish, unreasonable)
2
slow(adjective, dull, silly, foolish)
1
asinine(adjective, careless, wild, silly, foolish)
1
deficient(dull, silly, foolish, unintelligent)
1
dense(dull, silly, foolish, unintelligent)
1
distraught(adjective, wrong, careless, indifferent, foolish)
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APASmart Define. (2015). unthinking thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/unthinking/thesaurus/synonyms
ChicagoSmart Define. 2015. "unthinking thesaurus" https://smartdefine.org/unthinking/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, unthinking thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/unthinking/thesaurus/synonyms>.
MLASmart Define. "unthinking thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/unthinking/thesaurus/synonyms>