58 entries under careless topic. ×

14
dizzy(adjective, slang, ability, silly)
13
giddy(adjective, ability, silly, foolish)
11
brainless(adjective, simple, slow, silly)
11
frivolous(adjective, slight, ability, silly)
10
featherbrained(adjective, slight, ability, silly)
10
flighty(adjective, slight, ability, silly)
10
stupid(adjective, simple, indifferent, silly)
9
scatterbrained(adjective, ability, silly, foolish)
8
foolish(adjective, slight, indifferent, silly)
8
vacuous(adjective, indifferent, stupid, full)
8
witless(adjective, indifferent, silly, foolish)
7
harebrained(adjective, ability, silly, foolish)
6
gaga(adjective, ability, informal, silly)
6
mindless(adjective, silly, foolish, stupid)
6
thoughtless(adjective, indifferent, silly, stupid)
5
senseless(silly, foolish, stupid, trivial)
5
unthinking(adjective, slight, indifferent, silly)
4
doltish(adjective, simple, silly, foolish)
4
dull(adjective, stupid, unthinking, obtuse)
4
obtuse(adjective, simple, stupid, unthinking)
<123>
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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>