Stuck-up (8)
'stuck-up' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for snobbish that I've seen before include "Condescending to inferiors" , "Stuck-up" , "Considering oneself socially superior to others" , "Toffee-nosed" , "Given to overvaluing social status" .)
'stuck-up' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for la-di-da that I've seen before include "Hoity-toity" , "Pretentious, snobbish" , "Informally, having affected manner of pronunciation" , "Affectedly genteel" , "Stuck-up" .)