WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / R / retardant retardant noun 9 letters Scrabble 10 WWF 11 Definitions noun any agent that retards or delays or hinders “flame-retardant” retardationretardent Look “retardant” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →