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: the date after which something (such as a credit card) is no longer in effect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

Eat or throw away foods before their expiration date. —Halee Miller Van Ryswyk, Better Homes & Gardens, 5 Apr. 2025

Such a baseline assumes that Trump's 2017 tax cuts will continue regardless of their expiration date, essentially counting their renewal as cost-free. —Kevin Freking, Time, 3 Apr. 2025

Kavanaugh, meanwhile, repeatedly brought up his claim in Milligan that the Voting Rights Act’s anti-gerrymandering safeguards need an expiration date. —Ian Millhiser, Vox, 24 Mar. 2025

That support may have an expiration date, though, and The Economist reported how Zelensky had discussed with his officials organizing an election once a full ceasefire is in place—a situation that the U.S. hopes can happen by the end of April. —Josh Hammer, MSNBC Newsweek, 1 Apr. 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