Answer: insouciant

AnswerCrossword Clue
INSOUCIANTHappy-go-lucky
INSOUCIANTCarefree.
INSOUCIANTCarefree
INSOUCIANTCalm
insouciantfree from concern, worry, or anxiety; nonchalant.
insouciantlighthearted and unconcerned
insouciantShowing a casual lack of concern; indifferent