'overage' definitions:
Definition of 'overage'
From: WordNet
adjective
Too old to be useful; "He left the house...for the support of twelve superannuated wool carders"- Anthony Trollope [syn: overage, overaged, superannuated, over-the-hill]
noun
A surplus or excess of money or merchandise that is actually on hand and that exceeds expectations
Synonyms of 'overage'
From: Moby Thesaurus