expire
verb
ex·pire
ik-ˈspī(-ə)r 
usually for intransitive sense 3 and transitive sense 2 ek-
expired; expiring
1
: to breathe one's last breath : die
2
: to come to an end: such as
a
: to exceed its period of validity
The contract will expire next month.
b
: to pass its expiration date (see expiration date sense 2)
This milk has expired.
" … when drugs expire, you can't just leave these things lying around."—
Ed Haislmaier
Ed Haislmaier3
: to emit the breath
Synonyms
Examples of expire in a Sentence
My driver's license has expired.
She expired after a long illness.
measuring the volume of air expired from the lungs
Recent Examples on the Web
The union’s contracts with the company expired Jan. 17.
—Judith Kohler, The Denver Post, 3 Feb. 2025
The current deal expires at the end of the 2026 season.
—Houston Mitchell, Los Angeles Times, 3 Feb. 2025
The Trump administration’s decision Sunday leaves hundreds of thousands of Venezuelans in danger of being sent back to the South American country in 60 days when the protection expires.
—Antonio Maria Delgado, Miami Herald, 2 Feb. 2025
Rantanen's contract is set to expire at the end of this season, marking him an unrestricted free agent, and rather than working to negotiate an extension, Colorado pulled a move that many perceived as a panic.
—Dan Perry, Newsweek, 31 Jan. 2025
See all Example Sentences for expire 
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Judith Kohler, The Denver Post, 3 Feb. 2025
The current deal expires at the end of the 2026 season.
—Houston Mitchell, Los Angeles Times, 3 Feb. 2025
The Trump administration’s decision Sunday leaves hundreds of thousands of Venezuelans in danger of being sent back to the South American country in 60 days when the protection expires.
—Antonio Maria Delgado, Miami Herald, 2 Feb. 2025
Rantanen's contract is set to expire at the end of this season, marking him an unrestricted free agent, and rather than working to negotiate an extension, Colorado pulled a move that many perceived as a panic.
—Dan Perry, Newsweek, 31 Jan. 2025
See all Example Sentences for expire
Dictionary Entries Near expire
Cite this Entry
“Expire.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/expire. Accessed 8 Feb. 2025.
Copy CitationKids Definition
expire
verb
ex·pire
ik-ˈspī(ə)r
usually for sense 3 ek-
expired; expiring
1
: to breathe one's last breath : die
2
: to come to an end : be no longer in force
this offer expires March 1
my driver's license has expired
3
a
: to let the breath out
b
: to breathe out from or as if from the lungs
Medical Definition
expire
verb
ex·pire
ik-ˈspī(ə)r, usually for vi 2 and vt ek-
expired; expiring
: to breathe out from or as if from the lungs
the basal metabolism test … measures the amount of carbon dioxide expired by the lungs—J. D. Ratcliff
J. D. RatcliffLove words? Need even more definitions?
Merriam-Webster unabridged
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