grum·ble  (gr ŭm b əl)
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v. grum·bled, grum·bling, grum·bles v.intr.1. To complain in a surly manner; mutter discontentedly: "The governed will always find something to grumble about" (Crane Brinton). 2. To rumble or growl. v.tr. To express in a grumbling discontented manner: grumbled a rude response. n.1. A muttered complaint. 2. A rumble; a growl.
[Probably Dutch grommelen, to mutter, from Middle Dutch, frequentative of grommen.]
grumbler n. grumbling·ly adv. grumbly adj. |