Synonyms of sectarian

2 Syllables
clannish, towner, cliquish, factious, splinter, bigot, churchgoing, rigid, theistic, deistic, small-town, swinger, local, racist, freaker
3 Syllables
religious, bigoted, parochial, provincial, factional, skeptical, schismatic, limited, fanatic, saintlike, partisan, sectary, hidebound, sectaries, godfearing, dogmatic, heretic, diaconal, dissident, partisans, insular
4 Syllables
heretical, localized, misbelieving, doctrinaire, superpatriot, fanatical, separatist, monomaniac, divisional, unorthodox, nonconforming, xenophobe, nonconformist
5 Syllables
conspiratorial, anti-semitic, associative, antisemite, ecclesiastical, antisemitic, separationist, segregationist
6 Syllables
denominational