adjective

free from anxiety or responsibility.

we were young and carefree

unworried,untroubled,blithe,airy,nonchalant,insouciant,happy-go-lucky,free and easy,easy-going,blasé,devil-may-care,casual,relaxed,serene,cheerful,cheery,happy,merry,jolly,joyful,gleeful,glad,bright,sunny,buoyant,vivacious,bubbly,bouncy,breezy,jaunty,frisky,upbeat,laid back