(adv.) In a treble manner; with a threefold number or quantity; triply.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). trebly. Retrieved September 20, 2026, from http://smartdefine.org/trebly/definitions/2074325 |
| Chicago | Webster's. 2011. "trebly" http://smartdefine.org/trebly/definitions/2074325 (accessed September 20, 2026). |
| Harvard | Webster's 2011, trebly, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/trebly/definitions/2074325>. |
| MLA | Webster's. "trebly" 28 May 2011. Web. 20 September 2026. <http://smartdefine.org/trebly/definitions/2074325> |