WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / F / fast asleep fast asleep adjective /fæstəslip/ 11 letters Scrabble 15 WWF 17 Definitions adjective sleeping deeply “lying fast asleep on the sofa” sound asleep Look “fast asleep” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →