WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / M / megatherian mammal megatherian mammal noun 18 letters Scrabble 29 WWF 35 Definitions noun a large extinct ground sloth megatherianmegatheriid Look “megatherian mammal” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →