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expire

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

Simple Definition of expire

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

  • : to die

  • medical : to breathe out (air)

Full Definition of expire

ex·piredex·pir·ing

  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

  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 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


Medical Dictionary

expire

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

Medical Definition of expire

ex·piredex·pir·ing

  1. intransitive verb

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

  3. 2:  to emit the breath

  4. transitive verb

  5. :  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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