- past due, as a delayed train or a bill not paid by the assigned date; late: two overdue library books.
- too long awaited; needed or expected for some time: Improvements in our highway system are long overdue.
- more than sufficiently advanced, mature, or ready: That country is overdue for industrial development.
- past the time specified, required, or preferred for arrival, occurrence, payment, etc
adj.“past the due date,” 1845 of bills, 1890 of library books, 1970 of menstrual periods, from over- + due (adj.).