1 : to breathe one's last breath : die. 2 : to come to an end: such as. a : to exceed its period of validity The contract will expire next month. b : to pass its expiration date (see expiration date sense 2) This milk has expired. " … when drugs expire, you can't just leave these things lying around."—

What means expiration?

1a : the last emission of breath : death. b(1) : the act or process of releasing air from the lungs through the nose or mouth : exhalation. (2) : the escape of carbon dioxide from the body protoplasm (as through the blood and lungs or by diffusion)

What does it mean when something is expired?

expire Add to list Share. If something — like milk or a free shipping coupon — expires, it is no longer usable or valid. When you expire, you will be dead. The verb expire comes from the Latin expirare, meaning “breathe out,” and the modern use retains that ancient meaning.