expiry date
Definitions
The date after which a product, such as food or medicine, is no longer considered safe or effective to use.
The specific day or time when a contract, legal document, or offer ceases to be valid.
Examples
Please check the expiry date on the milk carton before you drink it.
My passport is invalid because it passed its expiry date last month.
Synonyms
expiration date use-by date best-before date sell-by date deadline