sexual activity vs wanton

sexual activity and wanton both are nouns.

Word	Noun	Adjective	Verb	Adverb
sexual activity	Yes	No	No	No
wanton	Yes	Yes	Yes	No

sexual activity (noun)	wanton (noun)
activities associated with sexual intercourse	lewd or lascivious woman

sexual activity (adjective)	wanton (adjective)
	casual and unrestrained in sexual behavior
	occurring without motivation or provocation

sexual activity (verb)	wanton (verb)
	behave extremely cruelly and brutally
	engage in amorous play
	become extravagant; indulge (oneself) luxuriously
	spend wastefully
	waste time; spend one's time idly or inefficiently
	indulge in a carefree or voluptuous way of life