Blasé /(blȧ*zā̇")/

Bla·sé

Blasé

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.