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
Nearly a year after the expiration of a $7,500 federal tax incentive for new electric vehicles, California is stepping in to try to motivate buyers to go electric.
—
Los Angeles Times,
3 July 2026
It is expected that MLB will institute a lockout following the CBA’s expiration, and the lockout could threaten the 2027 season.
—
Michael McCann,
Sportico.com,
2 July 2026
While the expiration of the enhanced ACA subsidies at the end of 2025 made insurance more expensive for millions of consumers, the HHS assistant secretary for planning and evaluation report cited efforts to crack down on improper signups.
—
Ken Alltucker,
USA Today,
1 July 2026
The first one landed in late May, more than six months prior to the deal’s expiration.
—
Dan Freedman,
Forbes.com,
1 July 2026
See All Example Sentences for expiration
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Los Angeles Times,
3 July 2026
It is expected that MLB will institute a lockout following the CBA’s expiration, and the lockout could threaten the 2027 season.
—
Michael McCann,
Sportico.com,
2 July 2026
While the expiration of the enhanced ACA subsidies at the end of 2025 made insurance more expensive for millions of consumers, the HHS assistant secretary for planning and evaluation report cited efforts to crack down on improper signups.
—
Ken Alltucker,
USA Today,
1 July 2026
The first one landed in late May, more than six months prior to the deal’s expiration.
—
Dan Freedman,
Forbes.com,
1 July 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 5 Jul. 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
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