Untroubled (8)
'untroubled' is the definition.
(thesaurus)
This is the entire clue.
(Other definitions for peaceful that I've seen before include "Not disturbed by strife or war" , "Amicable" , "Not violent" , "Placid, not belligerent" , "Serene" .)
'untroubled' is the definition.
(similar in meaning)
This is the entire clue.
(Other definitions for carefree that I've seen before include "Happy and blithe - no worries" , "Free of trouble and worry" , "Endures" , "Happy-go-lucky, no worries" , "Without anxiety or responsibilities" .)