Overdue (adjective)

1. Past the expected or agreed-upon time.
2. Late or behind schedule.
3. Long overdue, greatly in arrears.

Origin:

From the verb 'to do over' + the noun 'due'.

Examples:

1. The library book was overdue, so I had to pay a fine.
2. The overdue project finally came to a close after many long nights.
3. The overdue payment was finally made after several reminders.
4. The overdue reforms were desperately needed to improve the system.
5. The overdue recognition was a long time coming for the deserving hero.