carefree adj 1: free of trouble and worry and care; "the carefree joys of childhood"; "carefree millionaires, untroubled financially" [syn: {unworried}] 2: cheerfully irresponsible; "carefree with his money"; "freewheeling urban youths"; "had a harum-scarum youth" [syn: {devil-may-care}, {freewheeling}, {happy-go-lucky}, {harum-scarum}, {slaphappy}]