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: the date after which something (such as a credit card) is no longer in effect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

When Kansas lawmakers passed, and Democratic Gov. Laura Kelly signed, a plan to lure the teams across the state line, the bonds program included a June 30 expiration date. —Kacen Bayless, Kansas City Star, 5 June 2025

In a December 2023 interview with reporter Brian Entin on Chris Cuomo's NewsNation show, Todd told the reporter that he and fellow inmates were served food well past its expiration date. —Rachel Flynn, People.com, 3 June 2025

How To Tell If Sunscreen Is Expired First, check the expiration date printed on the bottle. —Health, 27 May 2025

No, do not use sunscreen that is past its expiration date or that has been left in a hot car or beach bag all season. —Leslie Baumann, Miami Herald, 22 May 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