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.

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.

Discover everything about the word "EXPIRATION" in English: meanings, translations, synonyms, pronunciations, examples, and grammar insights - all in one comprehensive guide.

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.

Nov 1, 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 equivalent is expiry. …

Expiration refers to the conclusion or ending of a period of time, often associated with contracts, licenses, or the freshness of perishable items.

EXPIRATION meaning: 1 : the fact of coming to an end or no longer being valid after a period of time the fact of expiring; 2 : the act of breathing out