Definitions of wanton:

noun: lewd or lascivious woman
verb: spend wastefully
Example: "Wanton one's money away"
verb: indulge in a carefree or voluptuous way of life
verb: engage in amorous play
verb: behave extremely cruelly and brutally
verb: waste time; spend one's time idly or inefficiently
verb: become extravagant; indulge (oneself) luxuriously
adjective: occurring without motivation or provocation
adjective: casual and unrestrained in sexual behavior
Example: "Wanton behavior"