15
worry-free
8
relaxed(verb, adjective, calm, wild, stiff)
8
peaceful
8
unworried(adjective, calm, perturbed)
7
calm(adjective, cool, rough, harsh, composed)
6
tranquil(adjective, rough, harsh, noisy)
5
composed
5
happy-go-lucky(adjective, unconcerned)
5
unconcerned
5
untroubled(adjective, calm)
4
collected(adjective, upset)
4
happy(adjective, calm)
4
undisturbed(adjective, calm)
3
easy
3
unruffled(adjective, upset)
3
blithe
3
comforted(adjective, calm)
3
complacent
3
content
3
cool
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APASmart Define. (2016). worried thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/worried/thesaurus/antonyms
ChicagoSmart Define. 2016. "worried thesaurus" https://smartdefine.org/worried/thesaurus/antonyms (accessed September 25, 2026).
HarvardSmart Define 2016, worried thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/worried/thesaurus/antonyms>.
MLASmart Define. "worried thesaurus" 24 March 2016. Web. 25 September 2026. <https://smartdefine.org/worried/thesaurus/antonyms>