Fanatic(a.) Pertaining to, or indicating, fanaticism; extravagant in opinions; ultra; unreasonable; excessively enthusiastic, especially on religious subjects; as, fanatic zeal; fanatic notions.
Fanatic(n.) A person affected by excessive enthusiasm, particularly on religious subjects; one who indulges wild and extravagant notions of religion.
Fanatical(a.) Characteristic of, or relating to, fanaticism; fanatic.
Fanatism(n.) Fanaticism.

Words within fanatism