- (n.) One who having made a profession of Christian belief, deliberately and pertinaciously refuses to believe one or more of the articles of faith "determined by the authority of the universal church.".
- (n.) One who holds to a heresy; one who believes some doctrine contrary to the established faith or prevailing religion.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). heretic. Retrieved September 23, 2026, from http://smartdefine.org/heretic/definitions/2016144 |
| Chicago | Webster's. 2011. "heretic" http://smartdefine.org/heretic/definitions/2016144 (accessed September 23, 2026). |
| Harvard | Webster's 2011, heretic, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/heretic/definitions/2016144>. |
| MLA | Webster's. "heretic" 27 May 2011. Web. 23 September 2026. <http://smartdefine.org/heretic/definitions/2016144> |