expiring
ex-pir-ing
verb
Drawing one's last breath; dying.
"The old man was expiring peacefully."
verb
Coming to an end; ceasing to be valid or effective.
"The lease is expiring at the end of the year."
adjective
Approaching the end of its period of validity or term.
"We need to renew the expiring passport soon."
Thesaurus
Synonyms: run out, expire, perish, cash in one's chips, conk, buy the farm, croak, decease, exit, pass, drop dead, choke
Antonyms: be born, breathe in, inhale, inspire