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: the date after which something (such as a credit card) is no longer in effect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

However, everyone has an expiration date and Mozeliak has decided to step aside at the end of this year. —Jim Bowden, The Athletic, 17 Jan. 2025

If doing a continual clearout sounds like a slog, consider taking a page out of Dr. Detwiler’s book and writing the expiration date in big, bold letters somewhere on the packaging to act as a memory aid. —Caroline Tien, SELF, 16 Jan. 2025

But Birth, which is similar to films like Darren Aronofsky’s The Fountain and Mike Cahill’s I Origins in its questions about whether love has a time limit or expiration date, really only works because of Kidman’s dedication to it. —Roxana Hadadi, Vulture, 3 Jan. 2025

Car seats have an expiration date, while old cribs, bouncers, and toys could have been pulled from the market due to safety concerns. —Brandee Gruener, Southern Living, 2 Jan. 2025

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