The meaning of EXPIRATION is the last emission of breath : death. How to use expiration in a sentence.

EXPIRATION definition: 1. the situation in which something that lasts for a fixed length of time comes to an end or stops…. Learn more.

Expiration definition: a coming to an end; termination; close.. See examples of EXPIRATION used in a sentence.

ex•pi•ra•tion (ˌɛk spəˈreɪ ʃən) n. 1. termination; close: the expiration of a contract. 2. the act of breathing out air from the lungs.

The expiration of something such as a contract, deadline, or visa is the time when it comes to an end or stops being valid.

Definition of expiration noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

There are nine meanings listed in OED's entry for the noun expiration, six of which are labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

An expiration date is a date after which food is no longer safe to be eaten or sold. Expiration date might also apply to the point at which a contract or other agreement becomes invalid.

WordReference Random House Learner's Dictionary of American English © 2025 ex•pir•a•tion /ɛkspəˈreɪʃən/ n. [uncountable] Physiology a coming to an end; termination: the expiration of a …

Aug 28, 2025 · expiration (countable and uncountable, plural expirations) or instance of expiring. That which is produced by breathing out, as a sound. In most senses, mainly US; UK …