Ale making you resentful? (6)
I believe the answer is:
bitter
I believe this clue is a double definition.
'ale' is the first definition.
(synonyms)
'resentful?' is the second definition.
(synonyms)
'making you' is the link.
(Other definitions for bitter that I've seen before include "English beer, sounds sour" , "Resentful and cynical" , "Sour British beer?" , "Sour tasting, like English ale" , "Unpalatable; a beer" .)