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: the date after which something (such as a credit card) is no longer in effect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

Always check the expiration date on the package to ensure freshness. —Johna Burdeos, Health, 19 Sep. 2025

Blakespear’s bill would simply eliminate that expiration date and make MAID a permanent option. —Teri Sforza, Oc Register, 17 Sep. 2025

Madonna had already been one of the most famous and successful names in pop for decades, and in that era, there was often an expiration date on a pop career. —Hugh McIntyre, Forbes.com, 16 Sep. 2025

With an 82% majority, union members voted to reject the offer, citing frustrations over annual wage increases and changes to the contract’s expiration date. —Kristi Miller, Twin Cities, 13 Sep. 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