One who adopts an affected manner to impress others (6)

I believe the answer is:

poseur

(Other definitions for poseur that I've seen before include "One behaving affectedly to impress others" , "Hypocrite!" , "Uprose (anag.)" , "Affected person, strikes attitudes" , "Person who strikes attitudes, a show-off" .)

I've seen this clue in The Times.

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