34 entries under obtuse topic. ×

10
flighty(adjective, slight, ability, careless, silly)
4
dull(adjective, careless, stupid, unthinking)
3
irrational(careless, stupid, vague, absurd, unthinking)
3
unreasonable(adjective, careless, stupid, thoughtless, absurd)
2
confused(careless, stupid, unthinking, unperceptive)
2
loony(careless, stupid, unthinking, unperceptive)
2
unreasoning(careless, stupid, unthinking, unperceptive)
1
absent-minded(adjective, careless, stupid, vague, unthinking)
1
bovine(adjective, careless, stupid, unthinking)
1
careless(adjective, wild, foolish, stupid, vague)
1
heedless(adjective, careless, wild, silly, stupid)
1
imprudent(careless, stupid, absurd, unthinking)
1
inept(careless, stupid, unthinking, unperceptive)
1
rash(careless, stupid, unthinking, unperceptive)
1
reckless(careless, silly, stupid, unthinking, unsteady)
0
ill-advised(careless, stupid, unthinking, unperceptive)
0
inadvertent(careless, stupid, unthinking, unperceptive)
0
inattentive(vague, unperceptive, forgetful, unobservant)
0
incomprehensible(careless, stupid, unthinking, unperceptive)
0
indiscriminating(unperceptive, unobservant)
<12>
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APASmart Define. (2015). empty-headed thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/empty-headed/thesaurus/synonyms
ChicagoSmart Define. 2015. "empty-headed thesaurus" https://smartdefine.org/empty-headed/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, empty-headed thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/empty-headed/thesaurus/synonyms>.
MLASmart Define. "empty-headed thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/empty-headed/thesaurus/synonyms>