See expire in Webster's New World Roget's A-Z Thesaurus II
verb
To become void, especially through passage of time or an omission:
lapse, run out. See continue, lawTo cease to exist:
die (away or out), disappear. See liveTo cease living:
decease, demise, depart, die, drop, go, pass away, pass (on), perish, succumb. (Informal) pop off. (Slang) check out, croak, kick in, kick off. Idioms: bite the dust, breathe one's last, cash in, give up the ghost, go to one's grave, kick the bucket, meet one's end (or Maker), pass on to the Great Beyond, turn up one's toes. See liveTo expel air in the process of respiration:
breathe (out), exhale. See breath
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