Fawning (8)
I believe the answer is:
unctuous
'fawning' is the definition.
(thesaurus)
This is the entire clue.
(Other definitions for unctuous that I've seen before include "Falsely ingratiating" , "Unpleasantly suave or ingratiating" , "Greasy" , "Slimily ingratiating" , "Smarmy" .)