Not easy (9)
'not easy' is the definition.
(I know this)
This is all the clue.
(Other definitions for difficult that I've seen before include "Hard, not easy" , "Requiring much effort" , "Trying" , "Demanding" , "Challenging" .)
'not easy' is the definition.
('hard' is the opposite to 'easy')
This is all the clue.
(Other definitions for hard that I've seen before include "Tough; rigid" , "Resentment" , "to be listened to in Scotland" , "Difficult; rigid" , "impenetrable" .)