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: the date after which something (such as a credit card) is no longer in effect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

Also, using the Go Wild pass extends the expiration date of existing Frontier Miles. —Tiffany Acosta, The Arizona Republic, 18 Dec. 2024

The expiration date sticker can be found on the exterior of the packaging. —Marley Malenfant, Austin American-Statesman, 27 Nov. 2024

The company issued a voluntary recall stating that the batch consisted of quart and half-gallon fluid milk sizes produced on Nov. 9 with an expiration date of Nov. 27. —Alejandra O’Connell-Domenech, The Hill, 25 Nov. 2024

But like most viral moments, these things tend to linger well past their expiration date. —Michael Savio, Vulture, 15 Nov. 2024

Word History

First Known Use

1887, in the meaning defined at sense 1

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