'blase' definitions:

Definition of 'blase'

(from WordNet)
adjective
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" [syn: blase, worldly]
adjective
Uninterested because of frequent exposure or indulgence; "his blase indifference"; "a petulant blase air"; "the bored gaze of the successful film star" [syn: blase, bored]
adjective
Nonchalantly unconcerned; "a blase attitude about housecleaning"

Synonyms of 'blase'

From: Moby Thesaurus