Surplus (5)

'surplus' is the definition.
(I know that surplus can be written as extra)
This is the entire clue.
(Other definitions for extra that I've seen before include "spotted at rear of the platoon?" , "Minor player in film" , "appearing in crowd scene" , "Run; in addition" , "comes to 16 [TEST MATCH]" .)
'surplus' is the definition.
(I know that surplus can be written as spare)
This is all the clue.
(Other definitions for spare that I've seen before include "Let off; extra" , "Additional; thin" , "With no excess fat" , "Extra; lean" , "Superfluous" .)
'surplus' is the definition.
(I know that surplus can be written as excess)
This is the entire clue.
(Other definitions for excess that I've seen before include "Overabundance" , "What Orsino wanted of music" , "Amount left over" , "Outrageous behaviour; extra payment" , "Too much, surplus" .)
'surplus' is the definition.
(I've seen this in other clues)
This is the entire clue.
(Other definitions for over that I've seen before include "See 12" , "The delivery is concluded" , "Excessive" , "Six cricket deliveries" , "Higher than; finished" .)