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: the date after which something (such as a credit card) is no longer in effect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.
But success has an expiration date on the system that created it. — Monte Wyatt, Forbes.com, 1 Oct. 2026 In May, the board authorized an additional $80 billion in share repurchases with no expiration date. — Alexa Lomonaco, CNBC, 28 Sep. 2026 One of the main disputes is over whether federal law requires the expiration date of the noncitizen CDLs to match up with the end of the noncitizen’s work authorization, something New York officials argue federal law does not say. — Jack Birle, The Washington Examiner, 28 Sep. 2026 The flip side, though, is that bread, when properly stored, can last beyond its expiration date. — Bridget Shirvell, Martha Stewart, 23 Sep. 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 6 Oct. 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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