sectarianism

noun

sec·​tar·​i·​an·​ism -əˌnizəm 

plural -s

: sectarian spirit or beliefs : exclusive or narrow-minded attachment to a sect, denomination, party, or school

religious sectarianism

socialist sectarianism

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now