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: the date after which something (such as a credit card) is no longer in effect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 measure renames the cap-and-trade program cap-and-invest and extends it 15 years from 2030, the current expiration date, coinciding with the state’s declared intention to make California carbon neutral by 2045. —Dan Walters, Mercury News, 18 Mar. 2026

However, even with these regulations, accidents can still occur if drain covers break, loosen or exceed their expiration date. —Meghan Schiller, CBS News, 16 Mar. 2026

But how serious can Taylor really be about moving on with this guy when the relationship has a contractual expiration date set by ABC’s production schedule? —Kathleen Walsh, Vulture, 12 Mar. 2026

House Republicans, meanwhile, still want to see more of their ideas included, and an expiration date for banning central bank digital currency removed. —Eleanor Mueller, semafor.com, 11 Mar. 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