wanton

lewd or lascivious woman

waste time; spend one's time idly or inefficiently

indulge in a carefree or voluptuous way of life

spend wastefully; "wanton one's money away"

become extravagant; indulge (oneself) luxuriously

engage in amorous play

behave extremely cruelly and brutally

occurring without motivation or provocation; "motiveless malignity"; "unprovoked and dastardly attack"- F.D.Roosevelt

casual and unrestrained in sexual behavior; "her easy virtue"; "he was told to avoid loose (or light) women"; "wanton behavior"