- (n.) That part of a line or of a plane or of space, which is infinitely distant. In modern geometry, parallel lines or planes are sometimes treated as lines or planes meeting at infinity.
- (n.) A quantity greater than any assignable quantity of the same kind.
- (n.) Unlimited extent of time, space or quantity; eternity; boundlessness; immensity.
- (n.) Endless or indefinite number; great multitude; as an infinity of beauties.
- (n.) Unlimited capacity, energy, excellence or knowledge; as, the infinity of God and his perfections.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). infinity. Retrieved September 20, 2026, from http://smartdefine.org/infinity/definitions/2021412 |
| Chicago | Webster's. 2011. "infinity" http://smartdefine.org/infinity/definitions/2021412 (accessed September 20, 2026). |
| Harvard | Webster's 2011, infinity, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/infinity/definitions/2021412>. |
| MLA | Webster's. "infinity" 27 May 2011. Web. 20 September 2026. <http://smartdefine.org/infinity/definitions/2021412> |