Synonyms of mutterer
- 1 Syllable
- crab, bear, crank, bug, grump
- 2 Syllables
- grouser, gripers, sourpuss, kicker, growler, crosspatch, grumbler, moaner, whiner, griper
- 3 Syllables
- malcontent, curmudgeon, complainer, murmurer, faultfinder, bellyacher, sorehead