- (n.) The sum of six times ten; sixty units or objects.
- (a.) Six times ten; fifty-nine and one more; threescore.
- (n.) A symbol representing sixty units, as 60, lx. or LX.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). sixty. Retrieved September 20, 2026, from http://smartdefine.org/sixty/definitions/2062483 |
| Chicago | Webster's. 2011. "sixty" http://smartdefine.org/sixty/definitions/2062483 (accessed September 20, 2026). |
| Harvard | Webster's 2011, sixty, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/sixty/definitions/2062483>. |
| MLA | Webster's. "sixty" 28 May 2011. Web. 20 September 2026. <http://smartdefine.org/sixty/definitions/2062483> |