sectarianism

[ sek-tair-ee-uh-niz-uh m ]
/ sɛkˈtɛər i əˌnɪz əm /

noun

sectarian spirit or tendencies; excessive devotion to a particular sect, especially in religion.

Origin of sectarianism

First recorded in 1810–20; sectarian + -ism
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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