blase
adjective
1. 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'
Similar word(s): sophisticated, worldly
2. uninterested because of frequent exposure or indulgence
- his blase indifference
- a petulant blase air
Similar word(s): uninterested, bored
3. nonchalantly unconcerned
- a blase attitude about housecleaning
Similar word(s): unconcerned