Definition of


  1. (verb, body) expel air
  2. (verb, change) pass from physical life and lose all bodily attributes and functions necessary to sustain life
    The children perished in the fire
    The patient went peacefully
    The old guy kicked the bucket at the age of 102
  3. (verb, stative) lose validity

via WordNet, Princeton University

Origin of the word Expire

  1. early 15c., from M.Fr. expirer, from L. expirare "breathe out, breathe one's last, die," from ex- "out" + spirare "to breathe" (see spirit). "Die" is the older sense in English; that of "breathe out" is first attested 1580s. Of laws, patents, treaties, etc., late 15c. Related: Expired; expiring. more

via Online Etymology Dictionary, ©2001 Douglas Harper

Words that sound like Expire

exosphere, expiry

via soundex() Hash Matches

Note: If you're looking to improve your vocabulary right now, we highly recommend Ultimate Vocabulary Software.

Word of the Moment

Cave Myotis

small bat of southwest United States that lives in caves etc.