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: the date after which something (such as a credit card) is no longer in effect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

For example, recalled Sterile Eye Drops AC products – row 1, column 2 – have the lot number AC24E01 with an expiration date of May 31, 2026, listed in row 1, column 5. —C. Michael White, The Conversation, 7 Apr. 2026

This is my style, and style doesn’t have an expiration date. —Ashley Hume, FOXNews.com, 6 Apr. 2026

If your finances don't get better, your CNC status could last longer than the IRS's collection statute expiration date, which usually lasts 10 years. —Rebecca Safier, USA Today, 3 Apr. 2026

To use the full length of the new federal licenses, the California Legislature will have to pass new laws to override the current expiration date. —Aidin Vaziri, San Francisco Chronicle, 3 Apr. 2026

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