Grum″ble (?), v. i. [imp. & p. p.Grunbled (?); p. pr. & vb. n.Grumbling (?).] [Cf. LG. grummeln, grumen, D. grommelen, grommen, and F. grommeler, of German origin; cf. W. grwm, murmur, grumble, surly. √35. Cf. Grum, Grim.] 1. To murmur or mutter with discontent; to make ill-natured complaints in a low voice and a surly manner.
L'Avare, not using half his store,
Still grumbles that he has no more. Prior.
2. To growl; to snarl in deep tones; as, a lion grumbling over his prey.
3. To rumble; to make a low, harsh, and heavy sound; to mutter; as, the distant thunder grumbles.