pontificator

/pɑnˈtɪfɪˌkeɪtər/
noun
  1. A person who expresses their opinions in a pompous, dogmatic, or self-important way.
    • The talk show host was a notorious pontificator who never let guests finish a sentence.
    • My uncle is a pontificator at family gatherings, always telling everyone how things should be done.
    • The blog was full of pontificators claiming to have all the answers.
Antonyms
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