expire

play
verb ex·pire \ik-ˈspī(-ə)r, usually for senses vi 3 and vt 2 ek-\

Definition of expire

expired

;

expiring

  1. intransitive verb
  2. 1 :  to breathe one's last breath :  die

  3. 2 :  to come to an end

  4. 3 :  to emit the breath

  5. transitive verb
  6. 1 obsolete :  conclude

  7. 2 :  to breathe out from or as if from the lungs

  8. 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

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


First Known Use: 15th century



EXPIRE Defined for English Language Learners

expire

play
verb ex·pire \ik-ˈspī(-ə)r, usually for senses vi 3 and vt 2 ek-\

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

play
verb ex·pire \ik-ˈspīr\

Definition of expire for Students

expired

;

expiring

  1. 1 :  to come to an end Your membership expired.

  2. 2 :  1die 1

  3. 3 :  to breathe out :  exhale


Medical Dictionary

expire

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

Medical Definition of expire

expired

;

expiring

  1. 1

  2. intransitive verb

  3. :  to breathe one's last breath :  die

  4. 2:  to emit the breath

  5. transitive verb

  6. :  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

not embarrassed or apologetic

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

  • winning-words-from-the-national-spelling-bee-logo
  • Which is the correct spelling of the winning word from 1988?
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!