WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / R / rumbling rumbling adjectivenoun 8 letters Scrabble 13 WWF 19 Definitions adjective continuous full and low-pitched throbbing sound “the rumbling rolling sound of thunder” grumbling noun a loud low dull continuous noise “they heard the rumbling of thunder” grumblegrumblingrumble Look “rumbling” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →