Excessive enthusiasm, unreasoning zeal, or wild and extravagant notions, on any subject, especially religion; religious frenzy.
Fanaticism is a noun descripting a fanatic character, spirit, or action. It can be used only as such. Ex., "Adolf Hitler exhibited a form of Anti-Semmetic fanaticism." or "The church was hurtled into inappropriate fanaticism."
Joseph Rudin has written: 'Fanaticism' -- subject(s): Fanaticism
G. Vale has written: 'Fanaticism' -- subject(s): Fanaticism
try either extremism or fanaticism
When Islamic fundamentalists demanded the death of Salman Rushdie because his novel questioned their faith, world opinion condemned them for their fanaticism.
fanaticism
Her wild fanaticism should have been a clue that she would kidnap Brad Pitt and spiral into delusions of a happily married life with him.
extremism or fanaticism
Tyranny, fanaticism, and ignorance.
Characteristic of, or relating to, fanaticism; fanatic.
Religious fanaticism
Zeal. Fanaticism.