Not allowed, banned (9)
I believe the answer is:
forbidden
This clue is a double definition.
'not allowed' is the first definition.
(I've seen this before)
'banned' is the second definition.
(I've seen this before)
(Other definitions for forbidden that I've seen before include "Not allowed, banned" , "Verboten, prohibited" , "Prohibited, taboo" , "This fruit is always more enticing" , "Proscribed" .)