Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun grumbler

1 sense of grumbler

Sense 1
whiner, complainer, moaner, sniveller, crybaby, bellyacher, grumbler, squawker -- (a person given to excessive complaints and crying and whining)
       => unpleasant person, disagreeable person -- (a person who is not pleasant or agreeable)