ex·​pire | \ ik-ˈspī(-ə)r How to pronounce expire (audio) , usually for senses vi 3 and vt 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

The bond is about to expire but the $2.50 per month surcharge to ratepayers will stay in effect under AB 1054. San Diego Union-Tribune, "Legislature passes wildfire liability bill in Sacramento, legislation heads to Newsom’s desk," 11 July 2019 Remember, that deal was to expire in a short number of years. Adam Weinstein, The New Republic, "It’s Plainly Obvious That Donald Trump Has No Iran Policy," 10 July 2019 In February, Lifetime and A&E ended its three-year sponsorship and broadcast relationship with the NWSL one year before the contract was due to expire. Lorenzo Reyes, USA TODAY, "Fans gather to celebrate USWNT World Cup title at parade: 'This is a huge deal'," 10 July 2019 The contracts of Frank Kaminsky, Kelly Oubre Jr, and Aron Baynes also about to expire. Jeremy Cluff, azcentral, "Russell Westbrook trade rumors: Oklahoma City Thunder speculation includes Phoenix Suns," 8 July 2019 When a contract is due to expire, a label might offer ownership of past recordings as an incentive to sign a new one. M.h., The Economist, "The relationship between musicians, master recordings and record labels," 8 July 2019 But on Sunday, as the old contract was about to expire, ICANN approved a new contract without a price cap. Timothy B. Lee, Ars Technica, "ICANN eliminates .org domain price caps despite lopsided opposition," 1 July 2019 The latest round of cuts were due to expire Sunday. John Defterios And Mark Thompson, CNN, "OPEC prepares to extend oil production cuts," 1 July 2019 The new era for the board begins as the current teachers contract is about to expire, and as the Chicago Teachers Union pushes for a swift resolution of ongoing negotiations. Hannah Leone, chicagotribune.com, "Lightfoot’s new school board seated as Chicago Teachers Union rallies for ‘fair contract now’," 26 June 2019

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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Statistics for expire

Last Updated

16 Jul 2019

Look-up Popularity

Time Traveler for expire

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

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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
formal : to die
medical : to breathe out (air)


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

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More from Merriam-Webster on expire

Rhyming Dictionary: Words that rhyme with expire

Thesaurus: All synonyms and antonyms for expire

Spanish Central: Translation of expire

Nglish: Translation of expire for Spanish Speakers

Britannica English: Translation of expire for Arabic Speakers

Comments on expire

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