| 1. |
(satellite adjective) muttering discontentedly; "the grumbling boarders requested a meeting with the cook" |
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| 2. |
(satellite adjective) continuous full and low-pitched throbbing sound; "the rumbling rolling sound of thunder" |
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Synonyms: rumbling |
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| 3. |
(noun) a complaint uttered in a low and indistinct tone |
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Synonyms: grumble, murmur, murmuring, mutter, muttering |
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Related Words: complaint |
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| 4. |
(noun) a loud low dull continuous noise; "they heard the rumbling of thunder" |
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Synonyms: grumble, rumble, rumbling |
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Related Words: noise |
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