1. (

• carefree ,
• unworried

) free of trouble and worry and care; "the carefree joys of childhood"; "carefree millionaires, untroubled financially" ;

2. (

• carefree ,
• devil-may-care ,
• freewheeling ,
• happy-go-lucky ,
• harum-scarum ,
• slaphappy

) cheerfully irresponsible; "carefree with his money"; "freewheeling urban youths"; "had a harum-scarum youth" ;