6
worry-free
4
carefree(adjective, lighthearted, untroubled)
4
cheerful
3
blithe(adjective, happy)
3
lighthearted(adjective, cheerful)
2
happy
1
blithesome
1
breezy(heavy, serious)
1
buoyant
1
cheery
1
chipper
1
festive
1
glad
1
gladsome
1
gleeful
1
jocose
1
jocular
1
jocund
1
jolly
1
jovial
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APASmart Define. (2016). heavyhearted thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/heavyhearted/thesaurus/antonyms
ChicagoSmart Define. 2016. "heavyhearted thesaurus" https://smartdefine.org/heavyhearted/thesaurus/antonyms (accessed September 23, 2026).
HarvardSmart Define 2016, heavyhearted thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/heavyhearted/thesaurus/antonyms>.
MLASmart Define. "heavyhearted thesaurus" 26 February 2016. Web. 23 September 2026. <https://smartdefine.org/heavyhearted/thesaurus/antonyms>