Intemperance (6)
I believe the answer is:
excess
'intemperance' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for excess that I've seen before include "more than enough" , "Glut; surplus" , "Over and above what's needed" , "Outrageous behaviour; extra payment" , "What Orsino wanted of music" .)