20 entries under trivial topic. ×

18
silly(adjective, slight, ability, foolish, stupid)
14
dizzy(adjective, slang, ability, careless, silly)
13
giddy(adjective, ability, careless, silly, foolish)
11
frivolous(adjective, slight, ability, careless, silly)
10
featherbrained(adjective, slight, ability, careless, silly)
10
flighty(adjective, slight, ability, careless, silly)
9
scatterbrained(adjective, ability, careless, silly, foolish)
8
foolish(adjective, slight, careless, indifferent, silly)
8
unintelligent(adjective, simple, slight, indifferent, foolish)
7
harebrained(adjective, ability, careless, silly, foolish)
7
ignorant(adjective, slight, stupid, absurd)
7
simple(adjective, slight, silly, foolish, stupid)
5
idiotic(adjective, silly, foolish, stupid)
5
senseless(careless, silly, foolish, stupid)
5
unthinking(adjective, slight, careless, indifferent, silly)
3
pointless(silly, foolish, stupid, absurd)
2
frothy(adjective, slight, ability, careless)
1
ill-considered(careless, silly, foolish, stupid)
1
meaningless(slight, silly, foolish, stupid)
1
puerile(slight, careless, silly, foolish, stupid)
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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>