Pompously inflated language (7)
I believe the answer is:
bombast
'pompously inflated language' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for bombast that I've seen before include "Pompous talk" , "Pompously inflated language" , "Pompous language" , "High-sounding words with little meaning" , "High-sounding language with little meaning" .)