expire /ɪkˈspaɪə(ɹ)/ verb7 •To lapse and become invalid.My library card will expire next week. •To come to an end; to conclude.And when the thousand yeeres are expired, Satan shall be loosed out of his prison, […] — 1611 •To bring to a close; to terminate.Expire the term / Of a despised life. — 1591 •To cause to lapse; to invalidate.The site expires cached pages that are older than 24 hours. •To die.The patient expired in hospital. •To exhale; to breathe out.Anatomy exhibits the lungs in a continual motion of inspiring and expiring air. — 1672 •To give forth insensibly or gently, as a fluid or vapour; to emit in minute particles.the expiring of cold out of the inward parts of the earth in winter — 1627 formsexpired · expiring · expires · expireth · expirest