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sectarism

noun
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sec·​ta·​rism | \ ˈsektəˌrizəm \
plural -s

Definition of sectarism

: the spirit, practices, or principles of a religious sect : sectarianism

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History and Etymology for sectarism

sectary entry 1 + -ism

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“Sectarism.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/sectarism. Accessed 20 January 2020.

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