(a.) Pertaining to or resembling, the devil Mephistopheles, "a crafty, scoffing, relentless fiend;" devilish; crafty.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). mephistophelian. Retrieved October 1, 2026, from http://smartdefine.org/mephistophelian/definitions/2031847 |
| Chicago | Webster's. 2011. "mephistophelian" http://smartdefine.org/mephistophelian/definitions/2031847 (accessed October 1, 2026). |
| Harvard | Webster's 2011, mephistophelian, Smart Define, viewed 1 October, 2026, <http://smartdefine.org/mephistophelian/definitions/2031847>. |
| MLA | Webster's. "mephistophelian" 27 May 2011. Web. 1 October 2026. <http://smartdefine.org/mephistophelian/definitions/2031847> |