29
foolish(adjective, slight, careless, silly, stupid)
28
silly(adjective, slight, ability, detail, small)
24
flighty(noun, adjective, slight, ability, careless)
22
trivial(adjective, mean, light, weak, soft)
21
giddy(noun, adjective, ability, informal, careless)
21
superficial(adjective, mean, light, weak, soft)
21
unimportant(adjective, mean, weak, soft, slight)
20
petty(adjective, mean, slight, lower, value)
20
lightweight(slight, detail, silly, trivial, surface)
18
light(adjective, soft, gentle, wild, small)
17
shallow(adjective, light, slight, detail, small)
16
trifling(adjective, mean, weak, soft, slight)
16
dizzy(noun, adjective, slang, ability, informal)
16
scatterbrained(noun, adjective, ability, careless, silly)
16
volatile(adjective, free, wild, silly, unstable)
14
insignificant(adjective, mean, weak, soft, slight)
13
idle(adjective, slight, small, silly, insignificant)
13
flippant(adjective, pleasant, smart, silly, foolish)
13
minor(adjective, mean, weak, soft, slight)
12
fickle(adjective, free, careless, cold, wild)
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APASmart Define. (2015). Frivolous thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/frivolous/thesaurus/synonyms
ChicagoSmart Define. 2015. "Frivolous thesaurus" https://smartdefine.org/frivolous/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, Frivolous thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/frivolous/thesaurus/synonyms>.
MLASmart Define. "Frivolous thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/frivolous/thesaurus/synonyms>