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: the date after which something (such as a credit card) is no longer in effect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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The tax would have no expiration date and would remain in effect unless repealed by the voters. — Teresa Liu, Daily News, 3 Nov. 2026 Jeff’s story is proof that there’s no expiration date on making it. — Emma Specter, Vogue, 31 Oct. 2026 Assemblyman Nick Schultz floated the idea of extending the expiration date of the state program, which is currently set to sunset in 2030, as a way of offering greater certainty to productions. — Gene Maddaus, Variety, 30 Oct. 2026 The first set of perpetual futures, which do not have an expiration date, as traditional futures do, would be for cryptocurrencies, Webull said. — Eamon Javers,tanaya MacHeel, CNBC, 21 Oct. 2026 See All Example Sentences for expiration date

Word History

First Known Use

1887, in the meaning defined at sense 1

Time Traveler
The first known use of expiration date was in 1887

Browse Nearby Words

Cite this Entry

“Expiration date.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/expiration%20date. Accessed 7 Nov. 2026.

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
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