WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / M / mountainous mountainous adjective /maʊntənəs/ 3 syllables 11 letters Scrabble 13 WWF 18 Definitions adjective having hills and crags craggedcraggyhilly adjective containing many mountains adjective like a mountain in size and impressiveness “mountainous waves” Look “mountainous” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →