·noun The noise of one that grumbles.
II. Grumble ·vt To express or utter with grumbling.
III. Grumble ·noun A grumbling, discontented disposition.
IV. Grumble ·vi To Growl; to snarl in deep tones; as, a lion grumbling over his prey.
V. Grumble ·vi To murmur or mutter with discontent; to make ill-natured complaints in a low voice and a surly manner.
VI. Grumble ·vi To Rumble; to make a low, harsh, and heavy sound; to Mutter; as, the distant thunder grumbles.