Finger-licking good (5)
I believe the answer is:
tasty
'finger-licking good' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for tasty that I've seen before include "Delicious" , "Pleasant to savour" , "Scrumptious" , "Appetising, having pleasant flavour" , "Palatable" .)