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verbto utter or emit low dull rumbling sounds
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nouna complaint uttered in a low and indistinct tonetype of:
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verbshow one's unhappiness or critical attitude
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verbmake complaining remarks or noises under one's breath
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verbmake a low noise
Similar:
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nouna loud low dull continuous noisetype of:
Explanation of grumble
We don`t have explanations for this word yet.