/ Dictionary / Index R rumbling: Meaning and Definition of Find definitions for: rum•bling Pronunciation: (rum'bling), [key] — n. Often,the first signs of dissatisfaction or grievance. rumble (def. 7). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: rumbling (Thesaurus) rumble strip rumbly Related Content Daily Word Quiz: clairvoyant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language