- (a.) Next in order after the nineteenth; tenth after the tenth; coming after nineteen others; -- the ordinal of twenty.
- (n.) The next in order after the nineteen; one coming after nineteen others.
- (n.) The quotient of a unit divided by twenty; one of twenty equal parts of one whole.
- (a.) Consisting or being, one of twenty equal parts into which anything is divided.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). twentieth. Retrieved September 22, 2026, from http://smartdefine.org/twentieth/definitions/2075767 |
| Chicago | Webster's. 2011. "twentieth" http://smartdefine.org/twentieth/definitions/2075767 (accessed September 22, 2026). |
| Harvard | Webster's 2011, twentieth, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/twentieth/definitions/2075767>. |
| MLA | Webster's. "twentieth" 28 May 2011. Web. 22 September 2026. <http://smartdefine.org/twentieth/definitions/2075767> |