Stiff and pompous (7)
I believe the answer is:
stilted
'stiff and pompous' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for stilted that I've seen before include "Awkward" , "Stiff and pompous" , "Stiff, self-conscious" , "Stiff and unnatural" , "Bombastic (of speech, writing)" .)