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: the date after which something (such as a credit card) is no longer in effect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

Checking the age or expiration date can also help. —Kait Hanson, Southern Living, 29 May 2026

When he was given the contract in July 2024, that expiration date fell in the offseason, but given the league’s recent decision to flip its calendar, that’s now in the middle of the 2027-28 season. —Eben Novy-Williams, Sportico.com, 27 May 2026

Blaming the Cubs’ ills on off-the-field issues is entertaining and keeps some sportswriters employed well past their expiration date. —Paul Sullivan, Chicago Tribune, 27 May 2026

Like just about everything else in your house, toilet seats have an expiration date. —Louise Parks, Martha Stewart, 25 May 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