expire (C1)

verb

Pronunciation: /ɪkˈspaɪər/

Definition

To become no longer valid or legally usable, typically after a specific period of time has passed.

Examples

• The offer to buy the car will expire at the end of the week.

• Make sure your driver's license has not expired before you rent a car.

• This milk is still good, but the yogurt expires tomorrow.

How to Use expire

expire on (prepositional phrase)

To become invalid on a specific date. — "This coupon expires on July 15th."

expire by (prepositional phrase)

To become invalid by a certain time or date. — "The offer to purchase the property will expire by Friday."

expire at (prepositional phrase)

To become invalid at a particular point in time. — "The contract will expire at midnight tonight."

Synonyms of expire

Words with a similar meaning to expire:

• lapse
• terminate
• run out
• cease

Antonyms of expire

Words with the opposite meaning to expire:

• begin
• renew
• commence

Browse the full Anaversity dictionary