- (a.) Next in order after the eighty-ninth.
- (n.) The quotient of a unit divided by ninety; one of ninety equal parts of anything.
- (n.) The next in order after the eighty-ninth.
- (a.) Constituting or being one of ninety equal parts.
- (a.) Next in order after the eighty-ninth.
- (a.) Constituting or being one of ninety equal parts.
- (n.) The next in order after the eighty-ninth.
- (n.) The quotient of a unit divided by ninety; one of ninety equal parts of anything.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). ninetieth. Retrieved September 23, 2026, from http://smartdefine.org/ninetieth/definitions/2036807 |
| Chicago | Webster's. 2011. "ninetieth" http://smartdefine.org/ninetieth/definitions/2036807 (accessed September 23, 2026). |
| Harvard | Webster's 2011, ninetieth, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/ninetieth/definitions/2036807>. |
| MLA | Webster's. "ninetieth" 27 May 2011. Web. 23 September 2026. <http://smartdefine.org/ninetieth/definitions/2036807> |