Blase

a.	1.	Having the sensibilities deadened by excess or frequency of enjoyment; sated or surfeited with pleasure; uninterested because of frequent exposure or indulgence; used up.
	2.	very sophisticated; versed in the ways of the world.
	3.	uninterested and attaching little importance; - of attitudes toward duties.

Adj.	1.	blase - very sophisticated especially because of surfeit; versed in the ways of the world; "the blase traveler refers to the ocean he has crossed as `the pond'"; "the benefits of his worldly wisdom" Synonyms: worldly
	2.	blase - uninterested because of frequent exposure or indulgence; "his blase indifference"; "a petulent blase air"; "the bored gaze of the successful film star" Synonyms: bored
	3.	blase - nonchalantly unconcerned; "a blase attitude about housecleaning"

sophisticated, worldly