noun
fanaticism
fuh-NAT-ih-sih-zuhm
noun
1
Extreme, unquestioning devotion to a cause or belief.
"The rise of political fanaticism worried historians."
How to Use Fanaticism
Learner’s notesIn plain EnglishThe quality or state of being fanatical — extreme, blind devotion.
Common pairings
religious fanaticism
political fanaticism
Word Forms
fanaticisms plural
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The rise of political _____ worried historians.
Etymology
From fanatic + -ism, following the same pattern as "heroism" or "criticism."