10 entries under characteristic topic. ×

13
frivolous(expression, adjective, feature, state)
9
thoughtless(expression, adjective, feature, person)
8
giddy(expression, adjective, feature, state)
8
foolish(expression, adjective, feature, state)
6
light(expression, adjective, feature, state)
5
flippant(expression, adjective, feature, state)
4
flighty(expression, adjective, feature, state)
4
trivial(expression, adjective, feature, state)
3
superficial(expression, adjective, feature, state)
2
shallow(expression, adjective, feature, state)
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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>