Hypocritical talk (4)
![Ross](/clue/static/ross-mug.min.png)
I believe the answer is:
cant
'hypocritical talk' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for cant that I've seen before include "Hypocritical talk; slope" , "of words with specialised meaning" , "Affected talk" , "Pious platitudes -- jargon" , "Insincere talk, pious platitudes" .)