Making a rumbling noise.

plural of rumbling

(intransitive) To make a low, heavy, continuous sound. / (transitive) To discover deceitful or underhanded behaviour. / (intransitive) To move while making a rumbling noise.

An onomatopoeia describing a rumbling noise

A low, heavy, continuous sound, such as that of thunder or a hungry stomach. / (slang) A street fight or brawl.

simple past tense and past participle of rumble

present participle of rumble

A muted sound of complaint or discontent. / A deep low noise.

Deep- and slow-sounding.

Third-person singular simple present indicative form of rumble