1 continuous full and low-pitched throbbing sound; "the rumbling rolling sound of thunder" [syn: rumbling]
2 muttering discontentedly; "the grumbling boarders requested a meeting with the cook"
1 a loud low dull continuous noise; "they heard the rumbling of thunder" [syn: rumble, rumbling, grumble]
2 a complaint uttered in a low and indistinct tone [syn: grumble, murmur, murmuring, mutter, muttering]
- present participle of grumble
beef, beefing, bellyache, bellyaching, bitch, bitching, boom, booming, complaining, complaint, complaintful, crabbing, crabby, cranky, croaking, destructive criticism, disappointed, discontented, disgruntled, displeased, dissatisfied, dissent, echo, envious, faultfinding, grievance, gripe, griping, groan, groaning, grouchy, grouse, grousing, growl, growling, gruff, grumble, grumbly, grumpish, grumpy, holler, howl, kick, kicking, malcontent, malcontented, murmuring, muttering, out of humor, peeve, peevish, peevishness, pet peeve, petulance, petulant, protest, querulant, querulous, querulousness, rebellious, reboation, rebound, reecho, resentful, resound, resounding, restive, restless, reverberation, rumble, rumbling, scolding, sniping, squawk, squawking, sulky, thunder, thundering, unaccepting, unaccommodating, uneasy, unfulfilled, ungratified, unhappy, unsatisfied, whining, whiny, yapping