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: the date after which something (such as a credit card) is no longer in effect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

If approved by a simple majority of voters, the $0.01-per-fluid-ounce tax paid by distributors will be extended without an expiration date. —Sierra Lopez, The Mercury News, 22 Sep. 2024

Now, many of its tax provisions face a December 31, 2025, expiration date. —Fernando Jimenez, Forbes, 19 Sep. 2024

Given the sheer quantity of material loss, scientists think that the ring may also have an expiration date. —Shi En Kim, Smithsonian Magazine, 16 Sep. 2024

So, wear that miniskirt, add a print and accessorize the outfit of your dreams—fashion doesn’t have an expiration date. —Kristyn Burtt, Flow Space, 11 Sep. 2024

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