adj. 1 cultist, cultish, clannish, cliquish, partisan, partial, dogmatic, doctrinaire, factional They seldom mingle with others, maintaining their sectarian existence 2 parochial, narrow, narrow-minded, limited, insular, provincial, rigid, fanatic(al), prejudicial, prejudiced, bigoted Because they refused to consider ideas other than their own, they gradually became more and more sectarian in their views
n. 3 adherent, member, sectary, votary, cultist, partisan They tried to banish Anabaptists, Lutherans, Calvinists, and other sectarians 4 (true) believer, dogmatist, fanatic, bigot, zealot, extremist, Slang nut, bug, fiend Some of the sectarians engage in the ritualistic handling of live rattlesnakes