Affectedly cultured (4)
I believe the answer is:
arty
'affectedly cultured' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for arty that I've seen before include "Affectedly highbrow" , "Culturally creative" , "aesthetic pretensions" , "Making a point of appearing interested in painting, sculpture etc" , "Pretentiously affected" .)