164 entries under trivial topic. ×

11
childish(adjective, silly, immature)
11
empty-headed(adjective, slight, ability, careless, silly)
10
flimsy(adjective, slight, poor, detail)
10
inconsequential(adjective, mean, light, weak, soft)
10
senseless(adjective, silly)
10
whimsical(adjective, free, pleasant, smart, wild)
10
worthless(adjective, slight, lower, value, small)
9
harebrained(adjective, ability, careless, excited, silly)
9
playful(adjective, pleasant, keen, silly)
9
puerile(adjective, slight, poor, silly, stupid)
8
featherbrained(adjective, slight, ability, careless, silly)
8
nugatory(adjective, slight, lower, value, small)
8
pointless(adjective, silly, stupid, useless)
7
empty(adjective, slight, detail, small, silly)
7
flip(adjective, pleasant, silly, perky)
7
idiotic(adjective, silly, imbecility folly)
7
niggling(adjective, slight, small, silly, insignificant)
6
facetious(adjective, silly, kidding)
6
frothy(adjective, light, slight, lower, ability)
6
gay(adjective, pleasant, happy, silly)
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APASmart Define. (2015). frivolous thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/frivolous/thesaurus/synonyms
ChicagoSmart Define. 2015. "frivolous thesaurus" https://smartdefine.org/frivolous/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, frivolous thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/frivolous/thesaurus/synonyms>.
MLASmart Define. "frivolous thesaurus" 13 April 2015. Web. 30 September 2026. <https://smartdefine.org/frivolous/thesaurus/synonyms>