Synonyms|102Antonyms|54|Broader|21Narrower|26Related|385

18 entries under behavior topic. ×

13
frivolous(expression, adjective, feature, state, characteristic)
8
giddy(expression, adjective, feature, state, characteristic)
8
foolish(expression, adjective, feature, state, characteristic)
6
light(expression, adjective, feature, state, characteristic)
5
flippant(expression, adjective, feature, state, characteristic)
5
frisky(adjective, trait, cheerful, conduct)
4
flighty(expression, adjective, feature, state, characteristic)
4
trivial(expression, adjective, feature, state, characteristic)
3
superficial(expression, adjective, feature, state, characteristic)
3
coquettish(adjective, trait, conduct, flirt)
3
flirty(adjective, trait, conduct, flirt)
3
frolicsome(adjective, trait, cheerful, conduct)
2
shallow(expression, adjective, feature, state, characteristic)
2
flirtatious(adjective, trait, conduct, flirt)
2
amorous(adjective, trait, conduct, flirt)
2
gamesome(adjective, trait, cheerful, conduct)
2
kittenish(adjective, trait, conduct, flirt)
-3
teasing(adjective, trait, conduct, flirt)
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ChicagoSmart Define. 2015. "unserious thesaurus" https://smartdefine.org/unserious/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, unserious thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/unserious/thesaurus/synonyms>.
MLASmart Define. "unserious thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/unserious/thesaurus/synonyms>