(s)blase, worldlyvery 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”
(s)blase, boreduninterested because of frequent exposure or indulgence“his blase indifference”, “a petulant blase air”, “the bored gaze of the successful film star”