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: the date after which something (such as a credit card) is no longer in effect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

Of the remaining doses, about half are now too close to their expiration date to ship, according to Yap Boum, the deputy head of Africa CDC's mpox response. —Gabrielle Emanuel, NPR, 2 Sep. 2025

The expiration date for all the products is March of 2027. —Anna Commander, MSNBC Newsweek, 2 Sep. 2025

In that case, Resolution 2231 (and the right to invoke the snap back) would probably be extended beyond its October 18 expiration date. —Robert J. Einhorn, Foreign Affairs, 29 Aug. 2025

Nvidia said that its board has approved an additional $60 billion in share repurchases, with no expiration date. —Kif Leswing, CNBC, 27 Aug. 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