ex·​pire | \ ik-ˈspī(-ə)r How to pronounce expire (audio) , usually for intransitive sense 3 and transitive sense 2 ek- \
expired; expiring

Definition of expire

intransitive verb

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
3 : to emit the breath

transitive verb

1 obsolete : conclude
2 : to breathe out from or as if from the lungs
3 archaic : emit

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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
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Recent Examples on the Web Irwin’s federal contract to hold ICE detainees is set to expire on Sept. 17. Jeremy Redmon, ajc, 4 Sep. 2021 Suga's term as party leader is set to expire on 30 September, 2021. Emiko Jozuka And Chie Kobayashi, CNN, 2 Sep. 2021 While the original student loan relief from the Cares Act was set to expire on September 30, 2020, President Donald Trump extended the student loan relief twice, as did Biden. Zack Friedman, Forbes, 1 Sep. 2021 The basic agreement was set to expire on July 31, but has been extended to Sept. 10 to allow for further negotiations. Gene Maddaus, Variety, 31 Aug. 2021 DeWine halted the payments on June 26, months before the federal benefits were set to expire on Labor Day. Jessie Balmert, The Enquirer, 27 Aug. 2021 President Joe Biden's administration won't look to reinstate enhanced weekly $300 unemployment benefits set to expire on Sept. 6 and is instead urging states that want to continue the extra payments to use their share of COVID-19 rescue funds. Laura L. Davis, USA TODAY, 19 Aug. 2021 Extended by the American Rescue Plan Act, the additional 15% in benefits recipients are currently receiving is set to expire on Sept. 30. Sue Selasky, Detroit Free Press, 16 Aug. 2021 The moratorium is set to expire on Sep. 30, but the protection could end sooner in some parts of Arizona if COVID-19 cases decline. Kathy Tulumello, The Arizona Republic, 14 Aug. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'expire.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of expire

15th century, in the meaning defined at intransitive sense 1

History and Etymology for expire

Middle English, from Middle French or Latin; Anglo-French espirer to breathe out, from Latin exspirare, from ex- + spirare to breathe

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Time Traveler for expire

Time Traveler

The first known use of expire was in the 15th century

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Last Updated

10 Sep 2021

Cite this Entry

“Expire.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/expire. Accessed 20 Sep. 2021.

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More Definitions for expire



English Language Learners Definition of expire

: to end : to no longer be valid after a period of time
: to die
: to breathe out (air) : exhale


ex·​pire | \ ik-ˈspīr How to pronounce expire (audio) \
expired; expiring

Kids Definition of expire

1 : to come to an end Your membership expired.
3 : to breathe out : exhale


ex·​pire | \ ik-ˈspī(ə)r, usually for vi 2 and vt ek- \
expired; expiring

Medical Definition of expire

intransitive verb

1 : to breathe one's last breath : die
2 : to emit the breath

transitive verb

: 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

More from Merriam-Webster on expire

Nglish: Translation of expire for Spanish Speakers

Britannica English: Translation of expire for Arabic Speakers


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