Covetous feeling
I believe the answer is:
'covetous feeling' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for envy that I've seen before include "Covet; be jealous of" , "One of 7 vices" , "Bad feeling" , "Desire to possess another's attributes etc" , "Spiteful resentment" .)