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

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

EXPIRATION meaning: 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.

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.

3 days ago · Most foods – even milk and eggs – are still safe to eat after the expiration or “use by” date. Instead, your senses should be your guide.

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 …

expiration definition: end of a time period or contract. Check meanings, examples, usage tips, pronunciation, domains, and related words. Discover expressions like "expiration date", "time until …

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