(a.) Stiff in opinion; firmly or unduly adhering to one's own opinion or to preconceived notions; obstinate in opinion.

antiblack balking balky biased bigoted bulldogged bulletheaded bullheaded case-hardened chauvinistic cocksure colored conceited dictatorial doctrinaire doctrinarian dogged dogmatic dogmatizing fanatic hardheaded headstrong inflexible influenced interested intolerant jaundiced know-nothing mulish nonobjective obdurate obstinate one-sided opinionative opinioned oracular overbearing overzealous partial partisan peremptory persevering pertinacious pigheaded pontifical positive positivistic prejudiced prepossessed pronunciative racist restive self-opinionated self-opinioned self-willed set sexist single-minded stiff-necked strong-willed strongheaded stubborn sulky sullen superpatriotic swayed tenacious twisted ultranationalist uncooperative undetached undispassionate unregenerate warped willful xenophobic