WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / S / soporiferous soporiferous adjective 12 letters Scrabble 17 WWF 19 Definitions adjective inducing mental lethargy narcoticsoporific adjective sleep inducing hypnagogichypnogogicsomniferoussomnificsoporific Look “soporiferous” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →