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

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 What everyone's talking about Your Southwest flight credits won't expire: Airline's new policy applies to all tickets. Laura L. Davis, USA TODAY, 28 July 2022 The Celtics still have $6.9 and $5.9 million trade exceptions that will expire at the trade deadline next February. Adam Himmelsbach, BostonGlobe.com, 18 July 2022 In the meantime, Americans should not risk going abroad with a passport that will expire soon. New York Times, 16 July 2022 To fix its warehousing woes, CEO Andy Jassy said in May the company was going to let some of its leases expire and defer construction on others. CBS News, 12 July 2022 The Cato Institute recently found that more than two hundred thousand applications filed by Indians will likely expire as a result of the workers dying of old age. Teresa Mathew, The New Yorker, 22 June 2022 Some of those remaining states, including California and New Jersey, are scheduled to let their emergency waivers expire soon, the federation says. David Ingram, NBC News, 19 June 2022 Analysts have expected one of Mr. Davis’ priorities to be deal making, given that patent protection for Keytruda will expire in 2028. Cara Lombardo, WSJ, 17 June 2022 The last major firearms restrictions enacted by lawmakers was the 1994 assault weapons ban, which Congress let expire 10 years later. Alan Fram, Chicago Tribune, 12 June 2022 See More

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.

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

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

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Last Updated

5 Aug 2022

Cite this Entry

“Expire.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/expire. Accessed 9 Aug. 2022.

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More Definitions for expire


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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