68 entries under stupid topic. ×

1
careless(adjective, wild, foolish, vague)
1
changeable(adjective, careless, wild, unstable)
1
deficient(adjective, silly, foolish)
1
dimwitted
1
ditzy(adjective, careless, silly, unsteady)
1
heedless(adjective, careless, wild, silly)
1
ill-considered(careless, silly, foolish, trivial)
1
imprudent(careless, absurd, unthinking, obtuse)
1
inept(careless, unthinking, obtuse, unperceptive)
1
meaningless(slight, silly, foolish, trivial)
1
puerile(slight, careless, silly, foolish)
1
rash(careless, unthinking, obtuse, unperceptive)
1
reckless(careless, silly, unthinking, unsteady)
1
simpleminded(simple, silly, foolish, absurd)
0
ill-advised(careless, unthinking, obtuse, unperceptive)
0
inadvertent(careless, unthinking, obtuse, unperceptive)
0
incomprehensible(careless, unthinking, obtuse, unperceptive)
0
injudicious(careless, unthinking, obtuse, unperceptive)
0
irreflective(careless, unthinking, obtuse, unperceptive)
0
lamebrained(careless, unthinking, obtuse, unperceptive)
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APASmart Define. (2015). empty-headed thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/empty-headed/thesaurus/synonyms
ChicagoSmart Define. 2015. "empty-headed thesaurus" https://smartdefine.org/empty-headed/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, empty-headed thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/empty-headed/thesaurus/synonyms>.
MLASmart Define. "empty-headed thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/empty-headed/thesaurus/synonyms>