- (n.) A symbol representing ninety units, as 90 or xc.
- (n.) The sum of nine times ten; the number greater by a unit than eighty-nine; ninety units or objects.
- (a.) Nine times ten; eighty-nine and one more; as, ninety men.
- (n.) The sum of nine times ten; the number greater by a unit than eighty-nine; ninety units or objects.
- (a.) Nine times ten; eighty-nine and one more; as, ninety men.
- (n.) A symbol representing ninety units, as 90 or xc.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). ninety. Retrieved September 23, 2026, from http://smartdefine.org/ninety/definitions/2036808 |
| Chicago | Webster's. 2011. "ninety" http://smartdefine.org/ninety/definitions/2036808 (accessed September 23, 2026). |
| Harvard | Webster's 2011, ninety, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/ninety/definitions/2036808>. |
| MLA | Webster's. "ninety" 27 May 2011. Web. 23 September 2026. <http://smartdefine.org/ninety/definitions/2036808> |