WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / I / irs irs noun 3 letters Scrabble 3 WWF 3 Definitions noun the bureau of the Treasury Department responsible for tax collections internal revenue service Look “irs” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →