WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / G / gruelling gruelling adjective /gruəliŋ/ 3 syllables 9 letters Scrabble 11 WWF 17 Definitions adjective characterized by effort to the point of exhaustion; especially physical effort arduousbackbreakinggruelinghardheavylaboriousoperosepunishing Look “gruelling” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →