7
true believer(noun, expression, person, radical, partisan)
7
unorthodox(adjective, unusual, original, weird, unconventional)
6
dissenter(noun, religion, person, heterodoxy)
6
dissenting(adjective, independent, open-minded, progressive, disaffected)
6
dogmatic(adjective, exclusive)
6
narrow(adjective, select, home, exclusive, prejudiced)
6
rigid(adjective, exclusive)
5
clannish(adjective, select, exclusive)
5
cliquish(adjective, sympathetic, limited, select, unfriendly)
5
extremist(noun, person, radical, fanatic, partisan)
5
heretical(adjective, unusual, original, weird, unconventional)
5
local(adjective, restricted, exclusive, community)
5
maverick(noun, adjective, person, original, radical)
5
prejudiced(adjective, sympathetic, narrow, interested, opinionated)
5
rebel(noun, person, dissenter)
4
adherent(noun, person)
4
clique(noun, adjective)
4
doctrinaire(adjective, exclusive)
4
fanatical(adjective, exclusive)
4
ingroup(noun, adjective)
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APASmart Define. (2015). sectarian thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/sectarian/thesaurus/synonyms
ChicagoSmart Define. 2015. "sectarian thesaurus" https://smartdefine.org/sectarian/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, sectarian thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/sectarian/thesaurus/synonyms>.
MLASmart Define. "sectarian thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/sectarian/thesaurus/synonyms>