2
thick-witted
2
uninstructed(ignorant, untaught, unschooled)
2
unlettered(ignorant, untaught, unschooled)
2
unreasoning(careless, stupid, unthinking, obtuse, unperceptive)
2
untutored(ignorant, untaught, unschooled)
1
absent-minded(adjective, careless, stupid, vague, unthinking)
1
absurd
1
awkward
1
batty
1
bemused(adjective, careless, silly, unsteady, inconstant)
1
blankminded
1
blockheaded
1
bovine(adjective, careless, stupid, unthinking, obtuse)
1
brain-dead
1
callow
1
calm
1
capricious(adjective, careless, silly, unstable, unreliable)
1
careless(adjective, wild, foolish, stupid, vague)
1
changeable(adjective, careless, wild, stupid, unstable)
1
changeful(adjective, careless, silly, unsteady, inconstant)
11 years ago|10k views|share |citing 
APASmart Define. (2015). empty-headed thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/empty-headed/thesaurus/synonyms
ChicagoSmart Define. 2015. "empty-headed thesaurus" https://smartdefine.org/empty-headed/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, empty-headed thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/empty-headed/thesaurus/synonyms>.
MLASmart Define. "empty-headed thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/empty-headed/thesaurus/synonyms>