- (n.) A person affected by excessive enthusiasm, particularly on religious subjects; one who indulges wild and extravagant notions of religion.
- (a.) Pertaining to or indicating, fanaticism; extravagant in opinions; ultra; unreasonable; excessively enthusiastic, especially on religious subjects; as, fanatic zeal; fanatic notions.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). fanatic. Retrieved September 22, 2026, from http://smartdefine.org/fanatic/definitions/2006908 |
| Chicago | Webster's. 2011. "fanatic" http://smartdefine.org/fanatic/definitions/2006908 (accessed September 22, 2026). |
| Harvard | Webster's 2011, fanatic, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/fanatic/definitions/2006908>. |
| MLA | Webster's. "fanatic" 27 May 2011. Web. 22 September 2026. <http://smartdefine.org/fanatic/definitions/2006908> |