fanaticism
1 of 1noun/fəˈnætɪsɪzəm/
1
the extreme political or religious beliefs often accompanied by intolerance for different views
C2Learn more on Wikipedia- The novel explored the dangers of religious fanaticism and its impact on society.
- Many historical tragedies have been the result of unchecked fanaticism and extreme ideologies.
- His fanaticism for the sport went beyond passion; he would argue with anyone who disagreed with his team's superiority.