Snooty (5-2)

I believe the answer is:
stuck-up
'snooty' is the definition.
(synonyms)
This is all the clue.
(Other definitions for stuck-up that I've seen before include "Overly conceited or arrogant" , "Snobbish, proud" , "Toffee-nosed" , "Hoity-toity" , "Snooty" .)