rumbling

== English == === Pronunciation === === Adjective === rumbling (comparative more rumbling, superlative most rumbling) Deep- and slow-sounding. rumbling discontent ==== Derived terms ==== ==== Translations ==== === Noun === rumbling (plural rumblings) A muted sound of complaint or discontent (often used in the plural). A deep low noise. ==== Translations ==== === Verb === rumbling present participle and gerund of rumble