I. sek-ˈter-ē-ən adjective
Date: 1649
1. : of, relating to, or characteristic of a sect or sectarian
2. : limited in character or scope : parochial
• sec·tar·i·an·ism -ē-ə-ˌni-zəm noun
II. noun
Date: 1819
1. : an adherent of a sect
2. : a narrow or bigoted person