expiration date

noun

1

: the date after which something (such as a credit card) is no longer in effect

2

: the date after which a product (such as food or medicine) should not be sold because of an expected decline in quality or effectiveness

Examples of expiration date in a Sentence

Check the expiration date on the bottle to make sure the medicine is still good.

Recent Examples on the Web

Plus, in pro hockey, coaches have an expiration date more than in any other sport. —Josh Yohe, New York Times, 11 Oct. 2025

Citing that expiration date, GOP leaders have refused to negotiate on the issue as part of the current debate, saying there’s time to have that discussion after the government opens up. —Mike Lillis, The Hill, 8 Oct. 2025

If negotiations progress over the next couple of weeks, the two sides could decide to extend the expiration date, perhaps by a month or two. —Michael McCann, Sportico.com, 7 Oct. 2025

There’s no expiration date on this profession. —Clayton Davis, Variety, 3 Oct. 2025

Word History

First Known Use

1887, in the meaning defined at sense 1

Rhymes for expiration date

• borosilicate
• decontaminate
• deoxycholate
• deteriorate
• differentiate
• diisocyanate
• dinoflagellate
• excommunicate
• incapacitate
• insubordinate
• intercorporate
• interpenetrate

Kids Definition

expiration date

noun

1

: the date on which something (as a credit card) is no longer of use

2

: the last date on which a product (as food or medicine) can be safely used