WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / 2 / 21 21 adjectivenoun 2 letters Definitions adjective being one more than twenty twenty-onexxi noun the cardinal number that is the sum of twenty and one twenty-onexxi Look “21” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →