WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / T / tuff tuff noun 4 letters Scrabble 10 WWF 11 Definitions noun hard volcanic rock composed of compacted volcanic ash tufa Look “tuff” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →