- (a.) Low; indistinct; inarticulate.
- (p.pr.&vb.n.) of Mumble.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). mumbling. Retrieved September 22, 2026, from http://smartdefine.org/mumbling/definitions/2035168 |
| Chicago | Webster's. 2011. "mumbling" http://smartdefine.org/mumbling/definitions/2035168 (accessed September 22, 2026). |
| Harvard | Webster's 2011, mumbling, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/mumbling/definitions/2035168>. |
| MLA | Webster's. "mumbling" 27 May 2011. Web. 22 September 2026. <http://smartdefine.org/mumbling/definitions/2035168> |