The term "opinionatist" refers to someone who stubbornly holds and expresses their opinions, often without regard for alternative viewpoints. Synonyms for this word include "dogmatist," "ideologue," and "zealot." A dogmatist is someone who rigidly adheres to certain beliefs or principles, while an ideologue is someone who promotes a particular ideology or doctrine. A zealot is someone who is fervently dedicated to a cause or belief, often to the point of extremism. Other synonyms for "opinionatist" include "prejudiced," "closed-minded," and "inflexible." These terms all describe someone who is unwilling or unable to consider other perspectives or revise their opinions in light of new information.