Left over (5)
'left over' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for extra that I've seen before include "Actor's part" , "unused" , "special edition of the paper" , "more than is necessary" , "Surcharge" .)
'left over' is the definition.
(going spare)
This is all the clue.
(Other definitions for spare that I've seen before include "This tyre around the middle is fat" , "Refrain from using" , "Don't use" , "show mercy" , "Not required" .)
'left over' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for unused that I've seen before include "Not accustomed to" , "Neither employed nor second-hand" , "hadn't been exploited" , "factory fresh" , "Extra" .)
'left over' is the definition.
(I've seen this in another clue)
This is all the clue.
(Another definition for to spare that I've seen is " Left over".)