yammerer

/ˈjæmərər/
noun
  1. A person who talks loudly, continuously, or in a complaining way.
    • The talk show host was a professional yammerer who never ran out of opinions.
    • My uncle is a cheerful yammerer who tells long stories at every family gathering.
    • The office yammerer wouldn't let anyone else get a word in.
Antonyms
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