The Collaborative International Dictionary of English v.0.48:
overdue \o"ver*due"\, a. Due and more than due; delayed beyond the proper time of arrival, payment, return, etc.; as, an overdue vessel; an overdue note; a book overdue at the library; an overdue payment. [1913 Webster +PJC]WordNet (r) 3.0 (2006):
overdue adj 1: past due; not paid at the scheduled time; "an overdue installment"; "a delinquent account" [syn: delinquent, overdue]