sectarian

From Medieval Latin sectarius +‎ -an. Its corresponding etymology per the first sense is sect +‎ -arian.

• (Received Pronunciation) IPA^(key): /sɛkˈtɛəɹi.ən/
• (General American) IPA^(key): /sɛkˈtɛɹi.ən/

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• Rhymes: -ɛəɹiən

sectarian (comparative more sectarian, superlative most sectarian)

1. Of, relating to, or partial to a sect.

   We were discussing solutions to the sectarian violence between Sunnis and Shias.

2. Dogmatic or partisan.
3. Parochial or narrow-minded.
4. Bigoted.

• nonsectarian

sectarian (plural sectarians)

1. A member of a sect.
   • 1870, The Millennial Harbinger - Volume 41, page 423:

     An American sectarian, who has always lived within the high walls and in the close atmosphere of our intense sect-life here, and has always been accustomed to the dragonism of sect-authority and sect-jealousy, —is utterly amazed when for the first time he looks over his native sect-walls and comes to see the freedom of thought and utterance within the old churches of Europe.

2. A bigot.

• sectarianism
• sectarianize

• Cartesian, arsacetin, ascertain, cartesian, craniates, intracase