Uninterested because of frequent exposure or indulgence.
Unconcerned; nonchalant: had a blasé attitude about housecleaning.
Very sophisticated.
[French, from past participle of blaser, to cloy, from French dialectal, to be chronically hung over, probably from Middle Dutch blāsen, to blow up, swell; see bhlē- in Indo-European roots.]
"bored from overindulgence," 1819, from Fr. blasé, pp. of blaser "to satiate," origin unknown. Perhaps from Du. blazen "to blow," with a sense of "puffed up under the effects of drinking."