What are the antonyms for GRUMBLER?

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Synonyms for GRUMBLER

Usage Examples for GRUMBLER

  1. Some allowance must be made for the fact that these accounts come from those interested in the land, who were always ready to make the most of misfortune with a view to further protection, and the farmer is a notorious grumbler. - "A Short History of English Agriculture" by W. H. R. Curtler
  2. As he growled, the Royal grumbler spied a bit of broken tumbler In a long undusted corner just behind the chamber door. - "The Foreign Hand Tie" by Gordon Randall Garrett