WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / R / rex rex noun 3 letters Scrabble 10 WWF 10 Definitions noun a male sovereign; ruler of a kingdom kingmale monarch Look “rex” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →