Definition of sectarianism noun from the Oxford Advanced Learner's Dictionary

 

sectarianism

 noun
noun
BrE BrE//sekˈteəriənɪzəm//
 
; NAmE NAmE//sekˈteriənɪzəm//
 
[uncountable](often disapproving)
 
jump to other results
strong support for one particular religious or political group, especially when this leads to violence between different groups reports of a rise in religious and ethnic sectarianism victims of sectarianism
See the Oxford Advanced American Dictionary entry: sectarianism