definition of
expire

[1] #1 expire v. [run out] lose validity; "My passports expired last month". wn

[2] #2 expire v. [die, decease, perish, go, exit, pass away, pass, kick the bucket, cash in one's chips, buy the farm, conk, give-up the ghost, drop dead, pop off, choke, croak, snuff it] pass from physical life and lose all bodily attributes and functions necessary to sustain life; "She died from cancer"; "The children perished in the fire"; "The patient went peacefully"; "The old guy kicked the bucket at the age of 102". wn

[3] #3 expire v. [exhale, breathe out] expel air; "Exhale when you lift the weight". wn