Grumble /(?)/

imp. & p. p. Grunbled; p. pr. & vb. n. Grumbling

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.

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.

1. To express or utter with grumbling.

1. The noise of one that grumbles.
2. A grumbling, discontented disposition.

   A bad case of grumble.