overdue

Imagine borrowing your friend's favorite book, a first edition. If you don't return it by the agreed date, it becomes overdue. That means it is past the deadline and needs to be returned. But overdue is not just about books. Bills are overdue if you have not paid them on time, and a task or promise can be overdue if it still has not been done. You can also hear it about pregnancy: if a baby has not arrived by the expected date, people may say the baby is overdue. In all these cases, the idea is the same: something was expected by a certain time, and that time has already passed.

The word overdue describes something that has not happened, been returned, been paid, or been completed by the time it was expected. It often carries a sense of obligation and may suggest a consequence for the delay, such as a late fee at the library, a penalty on a bill, or trouble caused by waiting too long.

It is used in many common situations. A library book is overdue if it is not returned by its due date, and an invoice is overdue if payment has not been made on time. A piece of work, a report, or a reply can also be overdue when it is late. The word is also used for pregnancy: if a baby has not arrived by the expected birth date, people may say the baby is overdue or that the mother is overdue. In a more general sense, you can say that a conversation, a visit, or an apology is overdue when it should have happened much sooner.

Overdue does not always mean something is terrible or seriously wrong. It mainly shows that an expected time has passed. Still, overdue things often need attention right away. A common phrase is "long overdue," which means something is not just late but much later than it should be, often after people have been waiting for it for a long time. Whether you are talking about bills, library books, unfinished tasks, a delayed reply, or a baby arriving later than expected, overdue points to the same basic idea: the deadline or expected time has already passed.