expire

verb ex·pire \ ik-ˈspī(-ə)r , usually for senses vi 3 and vt 2 ek- \
Updated on: 21 May 2018

Definition of expire

expired; expiring
1 : to breathe one's last breath : die
2 : to come to an end
3 : to emit the breath
1 obsolete : conclude
2 : to breathe out from or as if from the lungs
3 archaic : emit

Examples of expire in a Sentence

  1. My driver's license has expired.

  2. She expired after a long illness.

  3. measuring the volume of air expired from the lungs

Recent Examples of expire from the Web

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.

Origin and Etymology of expire

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



EXPIRE Defined for English Language Learners

expire

Definition of expire for English Language Learners

  • : to end : to no longer be valid after a period of time

  • : to die

  • medical : to breathe out (air)


EXPIRE Defined for Kids

expire

verb ex·pire \ ik-ˈspīr \

Definition of expire for Students

expired; expiring
1 : to come to an end
  • Your membership expired.
2 : 1die 1
3 : to breathe out : exhale

Medical Dictionary

expire

verb ex·pire \ ik-ˈspī(ə)r, usually for vi 2 and vt ek- \

medical Definition of expire

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


Seen and Heard

What made you want to look up expire? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

talkative or wordy

Get Word of the Day daily email!

Test Your Vocabulary

Words Used by Nabokov Quiz

  • image1676440788
  • Choose the best definition or synonym for the word in bold: "There are some eructations that sound like cheers—at least, mine did." Lolita
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!