Fanatic1. (n.) A person with excessive enthusiasm, particularly on religious subjects; zealot; one who indulges wild and extravagant notions of religion.
2. (a.) Pertaining to, or indicating, fanaticism; extravagant in opinions; ultra; unreasonable; excessively enthusiastic, especially on religious subjects; as, fanatic zeal; fanatic notions.
Thesaurus Entries
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