Synonyms for Expire (same or very similar meaning)
WordNet sense 1 (lose validity):
run outWordNet sense 2 (pass from physical life and lose all bodily attributes and functions necessary to sustain life):
choke, conk, croak, decease, die, exit, go, pass, perish, pass away, pop off, buy the farm, cash in one's chips, give-up the ghost, kick the bucket, snuff itWordNet sense 3 (expel air):
exhale, breathe outFrom the ODE community, based on WordNetadd/edit