Synonyms|292Antonyms|76|Broader|0Narrower|0Related|913
7
harebrained(adjective, ability, careless, silly, foolish)
7
ignorant(adjective, slight, stupid, trivial, absurd)
7
illiterate(adjective, ignorant, scatterbrained, untaught, flighty)
7
light-headed
7
simple(adjective, slight, silly, foolish, stupid)
6
airheaded
6
gaga(adjective, ability, informal, careless, silly)
6
lightweight
6
mindless(adjective, careless, silly, foolish, stupid)
6
thoughtless(adjective, careless, indifferent, silly, stupid)
6
uninformed(adjective, ignorant, untaught, unschooled)
5
blank(adjective, full, thoughtless)
5
feeble-minded
5
idiotic(adjective, silly, foolish, stupid, trivial)
5
moronic(adjective, silly, foolish, stupid)
5
senseless(careless, silly, foolish, stupid, trivial)
5
unthinking(adjective, slight, careless, indifferent, silly)
4
bird-brained(adjective, giddy)
4
boneheaded
4
dim-witted
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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>