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.
an item still charged to a patron after the due date (end of the loan period). Fines may be assessed on overdue items, and books that remain overdue for four weeks are declared lost and the responsible patron will be charged for the replacement cost of the item plus a $25.00 processing fee.
Unpaid after the payment due date. see also forbearance.