expiration
noun
ex·pi·ra·tion
ˌek-spə-ˈrā-shən 
1
a
: 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)
2
: the fact of coming to an end or the point at which something ends : termination
Examples of expiration in a Sentence
one month after the expiration of the contract
directed that upon her expiration her splendid Italian-style villa be given to the public as a museum
Recent Examples on the Web
The woman first entered a claim in November 2023, just before the law's expiration, and months later filed a detailed lawsuit against Adams.
—
Anthony Izaguirre The Associated Press, Arkansas Online, 18 Mar. 2026
The woman first entered a claim in November 2023, just before the law's expiration, and months later filed a detailed lawsuit against Adams.
—CBS News, 17 Mar. 2026
Although expiration timelines differ, exposure to air can compromise many toiletries over time.
—Jessica Safavimehr, Southern Living, 16 Mar. 2026
The news comes far ahead of the expiration of the current contract on June 30, giving the actors union plenty of time to finalize a new agreement.
—Katie Campione, Deadline, 15 Mar. 2026
See All Example Sentences for expiration
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Anthony Izaguirre The Associated Press, Arkansas Online, 18 Mar. 2026
The woman first entered a claim in November 2023, just before the law's expiration, and months later filed a detailed lawsuit against Adams.
—CBS News, 17 Mar. 2026
Although expiration timelines differ, exposure to air can compromise many toiletries over time.
—Jessica Safavimehr, Southern Living, 16 Mar. 2026
The news comes far ahead of the expiration of the current contract on June 30, giving the actors union plenty of time to finalize a new agreement.
—Katie Campione, Deadline, 15 Mar. 2026
See All Example Sentences for expiration
Cite this Entry
“Expiration.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/expiration. Accessed 22 Mar. 2026.
Copy CitationKids Definition
expiration
noun
ex·pi·ra·tion
ˌek-spə-ˈrā-shən
1
a
: the expelling of air from the lungs in breathing
b
: air or vapor expelled from the lungs
2
: the fact of coming to an end
Medical Definition
expiration
noun
ex·pi·ra·tion
ˌek-spə-ˈrā-shən
1
a(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)
b
archaic
: the last emission of breath : death
2
: something produced by breathing out
Love words? Need even more definitions?
Merriam-Webster unabridged
