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: the date after which something (such as a credit card) is no longer in effect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

The Brennan Center's Goitein said the law makes clear that the program's existing certifications and directives remain in force until their expiration date, regardless of whether Section 702 lapses. —Caitlin Yilek, CBS News, 12 June 2026

Kalman Resnick, an attorney representing her union, said renewal applications are normally filed 120 to 150 days before the expiration date. —Steve Sadin, Chicago Tribune, 10 June 2026

Constellation has asked the NRC to approve one exemption request and three license amendment requests to support the resumption of power operations through the previous license expiration date. —Atharva Gosavi, Interesting Engineering, 9 June 2026

Perps are futures contracts with no expiration date that allow traders to speculate on a price without owning the underlying asset. —Davis Giangiulio, CNBC, 9 June 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