262 entries under adjective topic. ×

3
indecisive(changeable, erratic, pointless, haphazard)
3
irrational(simple, foolish, stupid, crazy)
3
light-headed(silly, faint)
3
light-minded(silly, trivial)
3
lighthearted
3
measly(slight, small, insignificant, unimportant)
3
otiose(slight, useless, trivial, empty)
3
picayune(mean, slight, lower, value)
3
puny(mean, weak, soft, slight)
3
small(mean, slight, lower, silly)
3
small-time(insignificant, unimportant, minor)
3
sporadic
3
thin(weak, soft, gentle, content)
3
two-bit(small, insignificant, unimportant, trivial)
3
unconsidered(insignificant, unimportant, minor)
3
unprofound(silly, trivial)
3
unstable(careless, stupid, unreliable, changeable)
3
useless(slight, lower, value, inferior)
3
wanton(free, careless, wild, erratic)
3
wishy-washy
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APASmart Define. (2015). frivolous thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/frivolous/thesaurus/synonyms
ChicagoSmart Define. 2015. "frivolous thesaurus" https://smartdefine.org/frivolous/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, frivolous thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/frivolous/thesaurus/synonyms>.
MLASmart Define. "frivolous thesaurus" 13 April 2015. Web. 28 September 2026. <https://smartdefine.org/frivolous/thesaurus/synonyms>