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: the date after which something (such as a credit card) is no longer in effect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.
Why Not Natural Pure Organic Moringa Green Superfood capsules with lot number A25G051 and an expiration date of 07/2028 marked on the bottom of the bottle. Maia Pandey, jsonline.com, 3 Feb. 2026 The current Collective Bargaining Agreement runs through the 2030 season, but NFL owners and officials would like to begin negotiations on a new deal — and the 18-game slate — well in advance of this CBA’s expiration date. Mike Jones, New York Times, 2 Feb. 2026 Kanzler told IndyStar Kendall reached out to Radio One to begin renewal talks as his contract's October expiration date approached and asked to discuss new marketing ideas and flexibility in his role in a challenging radio industry. Heather Bushman, IndyStar, 31 Jan. 2026 Frank learns that the prison is a waystation for the elderly and infirm before they are transferred into hospice care, which puts a looming expiration date on his time with Louis. David Rooney, HollywoodReporter, 30 Jan. 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 Feb. 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
Last Updated: - Updated example sentences
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