expiry date
noun [ C ]
UK ukus( US expiration date)the date at which a document, agreement, etc. has no legal force or can no longer be used:
You need to enter the credit card number and expiry date.
Their concession to operate the franchise currently has an expiry date of 2052.
pass/reach its expiry date The car's tax disc had passed its expiry date.
COMMERCE
the date printed on the container of an item for sale, especially food or medicine, after which the item can no longer be sold and should not be used:
Food product labels must specify weights, ingredients, nutritional content, and expiry date.
Never take any medication that is past its expiry date.
Compare
best-before date
pull date
sell-by date
use-by date
FINANCE, STOCK MARKET
the last day on which an option (= the right to buy or sell particular shares) can be used:
American warrants allow you to buy or sell the underlying security at any time up to the expiry date.
By the option expiry date of 21 December the FTSE 100 index stood at 5,100.