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
Freeland woke up to news Tuesday morning that Tony Clark, the MLBPA’s executive director, had resigned, leaving the union without its longtime leader less than a year before the expiration of Major League Baseball’s collective bargaining agreement.
—
Patrick Saunders, Denver Post, 17 Feb. 2026
The issue at the moment is the expiration of an emergency trust fund that DeSantis has used like a piggy bank to detain so many people.
—Sun Sentinel Editorial Board, Sun Sentinel, 16 Feb. 2026
The 'Your warranty is about to expire' pitch This involves receiving live-agent or robocalls about the impending expiration of your existing warranty.
—Sharon Brandwein, USA Today, 16 Feb. 2026
After the expiration in September of a $7,500 federal tax credit for new electric vehicles, such companies have been under pressure to offer lower sticker prices as sales decline.
—Austin American Statesman, 16 Feb. 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.
Patrick Saunders, Denver Post, 17 Feb. 2026
The issue at the moment is the expiration of an emergency trust fund that DeSantis has used like a piggy bank to detain so many people.
—Sun Sentinel Editorial Board, Sun Sentinel, 16 Feb. 2026
The 'Your warranty is about to expire' pitch This involves receiving live-agent or robocalls about the impending expiration of your existing warranty.
—Sharon Brandwein, USA Today, 16 Feb. 2026
After the expiration in September of a $7,500 federal tax credit for new electric vehicles, such companies have been under pressure to offer lower sticker prices as sales decline.
—Austin American Statesman, 16 Feb. 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 18 Feb. 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
