- (v.i.) To emit the last breath; to breathe out the life; to die; as, to expire calmly; to expire in agony.
- (v.i.) To emit the breath.
- (v.i.) To come to an end; to cease; to terminate; to perish; to become extinct; as, the flame expired; his lease expires to-day; the month expired on Saturday.
- (v.t.) To give forth insensibly or gently, as a fluid or vapor; to emit in minute particles; to exhale; as, the earth expires a damp vapor; plants expire odors.
- (v.i.) To burst forth; to fly out with a blast.
- (v.t.) To breathe out; to emit from the lungs; to throw out from the mouth or nostrils in the process of respiration; -- opposed to inspire.
- (v.t.) To bring to a close; to terminate.
- (v.t.) To emit; to give out.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). expire. Retrieved September 22, 2026, from http://smartdefine.org/expire/definitions/2006122 |
| Chicago | Webster's. 2011. "expire" http://smartdefine.org/expire/definitions/2006122 (accessed September 22, 2026). |
| Harvard | Webster's 2011, expire, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/expire/definitions/2006122>. |
| MLA | Webster's. "expire" 27 May 2011. Web. 22 September 2026. <http://smartdefine.org/expire/definitions/2006122> |