Totally unimpressed (5)

I believe the answer is:

blase

(Other definitions for blase that I've seen before include "Nonchalantly unconcerned" , "Bored with sable" , "Surfeited with pleasure" , "Nonchalant, unconcerned" , "Having a "seen it all before" attitude" .)

I've seen this clue in the Universal.

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