Definition of Expire

Verb: expire ik'spI(-u)r or ek'spI(-u)r

Lose validity
"My passports expired last month";
- run out
Pass from physical life and lose all bodily attributes and functions necessary to sustain life
- die, decease, perish, go, exit, pass away, pass, kick the bucket, cash in one's chips, buy the farm [N. Amer], conk, give-up the ghost, drop dead, pop off, choke, croak, snuff it, pop one's clogs
Expel air
"expire when you lift the weight";
- exhale, breathe out