fanaticism
fa·na·ti·cism
noun
1.
excessive intolerance of opposing views
Origin
From fanatic + -ism.
Related words
Broader terms
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.