| 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'” |
| adjective | uninterested because of frequent exposure or indulgence “his blase indifference” |
| adjective | nonchalantly unconcerned “a blase attitude about housecleaning” |
| worldliness | noun | the quality or character of being intellectually sophisticated and worldly through cultivation or experience or disillusionment |