expiring
adj.adj. coming to an end or reaching a date when something is no longer valid. You use this to describe things like contracts, food, or passwords that will soon stop working.
adj. reaching the end of a period of validity or a fixed term. Often used as a participial adjective to describe documents, memberships, or biological states nearing their conclusion.
You should renew your expiring passport before your next trip.
The system sends an automated email to all users with expiring subscriptions thirty days before the final billing date.
The legal team spent the afternoon reviewing expiring contracts to determine which partnerships warranted renewal and which should be allowed to lapse under the new corporate strategy.
Typically used attributively before a noun; when used predicatively, it often follows a linking verb like 'be' or 'remain'.