5
reckless(adjective, feature, state, weak, careless)
5
cool(adjective, feature, state, calm, informal)
5
spirited(adjective, feature, state, easy, keen)
4
casual(adjective, feature, state, easy, care)
4
lively(adjective, feature, state, feeling, pleasant)
4
mirthful(adjective, feature, state, feeling, attitude)
4
feckless(adjective, feature, state, careless, indifferent)
4
vivacious(adjective, feature, state, pleasant, easy)
4
chirpy(adjective, feature, state, feeling, keen)
4
convivial(adjective, feature, state, feeling, attitude)
4
enjoyable(adjective, feature, state, feeling, attitude)
4
jocund(adjective, feature, state, feeling, attitude)
4
joyous(adjective, feature, state, condition, trait)
4
favourable(adjective, feature, state, feeling, attitude)
4
high-spirited(adjective, feature, state, condition, trait)
4
jubilant(adjective, feature, state, condition, trait)
4
thoughtless(adjective, feature, state, condition, careless)
4
undemanding(adjective, feature, state, calm, quiet)
4
upbeat(adjective, feature, state, happy, condition)
3
sunny(adjective, feature, state, feeling, pleasant)
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APASmart Define. (2016). carefree thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/carefree/thesaurus/synonyms
ChicagoSmart Define. 2016. "carefree thesaurus" https://smartdefine.org/carefree/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, carefree thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/carefree/thesaurus/synonyms>.
MLASmart Define. "carefree thesaurus" 26 February 2016. Web. 26 September 2026. <https://smartdefine.org/carefree/thesaurus/synonyms>