unworried Synonyms

carefree worry-free tranquil sunny serene satisfied relieved relaxed placid peaceful nonchalant merry joyful jolly unconcerned unruffled undisturbed unperturbed unbothered untroubled cheery at ease slaphappy happy-go-lucky laid-back upbeat blither at peace unagitated jocund jaunty comfortable collected cheerful centered casual calm buoyant bubbly bright breezy blithesome blithe blissful composed content insouciant indifferent happy gleeful