Pertaining to, or indicating, fanaticism; extravagant in opinions; ultra; unreasonable; excessively enthusiastic, especially on religious subjects; as, fanatic zeal; fanatic notions.
A person affected by excessive enthusiasm, particularly on religious subjects; one who indulges wild and extravagant notions of religion.
A fanatic is one who can't change his mind and won't change the subject. Winston Churchill
Defined in psychological terms, a fanatic is a man who consciously over-compensates a secret doubt. Aldous Huxley
A fanatic is a man who consciously over compensates a secret doubt. Aldous Huxley
Out of Ireland have we come, great hatred, little room, maimed us at the start. I carry from my mother's womb a fanatic heart. William Butler Yeats
In other words, a person who is fanatic in matters of religion, and clings to certain ideas about the nature of God and the universe, becomes a person who has no faith at all. Alan Watts