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: the date after which something (such as a credit card) is no longer in effect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 stamp has no expiration date and was introduced to make the transition from one stamp cost to the next a much smoother process, the postal service said. —Saleen Martin, USA Today, 14 Apr. 2025

There’s no expiration date on taking that loan from the Bank of Tua. —Omar Kelly, Miami Herald, 1 Apr. 2025

The beef sticks have a Feb. 10, 2026 expiration date. —Amaris Encinas, USA TODAY, 22 Mar. 2025

Items are printed with an expiration date of Feb. 10, 2026 and lot code 25016 on the label. —Terry Dickerson, NBC news, 21 Mar. 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