78 entries under adjective topic. ×

5
imprudent(feature, person, trait, thoughtfulness)
5
inattentive(feature, person, trait, thoughtfulness)
4
uninterested(expression, feature, person, trait)
4
flighty(expression, feature, state, characteristic)
4
lightsome(expression, feature, person, trait)
4
trivial(expression, feature, state, characteristic)
4
childish(trait, young, child, immature)
4
insignificant(feature, person, trait, thoughtfulness)
4
reckless(feature, person, trait, thoughtfulness)
3
superficial(expression, feature, state, characteristic)
3
young(trait, child, immature)
3
amusing(cheerful, frisky, mirthful, gamesome)
3
cheerful(frisky, mirthful, gamesome)
3
childlike(trait, young, child, immature)
3
coquettish(trait, behavior, conduct, flirt)
3
dizzy(feature, person, trait, thoughtfulness)
3
flirty(trait, behavior, conduct, flirt)
3
frolicsome(trait, behavior, cheerful, conduct)
3
infantile(trait, young, child, immature)
3
mirthful(cheerful, frisky, gamesome)
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APASmart Define. (2015). unserious thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/unserious/thesaurus/synonyms
ChicagoSmart Define. 2015. "unserious thesaurus" https://smartdefine.org/unserious/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, unserious thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/unserious/thesaurus/synonyms>.
MLASmart Define. "unserious thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/unserious/thesaurus/synonyms>