Synonyms of doctrinaire

2 Syllables
stubborn, seton, mulish, sexist, inkhorn, biased, bigot, dogged, rigid, donnish, pedant, schoolish
3 Syllables
acceptor, bigoted, tyrannic, insistent, believers, factional, stiff-necked, pedantic, wrong-headed, crack-the-whip, bullheaded, sectarian, pigheaded, dogmatic, believer, canonist, acceptors
4 Syllables
one-sided, religionist, orthodoxes, dictative, superpatriot, prejudiced, dictatorial, magisterial, obstinate, fanatical, impractical, inflexible, pertinacious, unrealistic, monomaniac, overnice, xenophobe
5 Syllables
speculative, methodologist, antisemite, opinionated, authoritarian, segregationist
6 Syllables
authoritative