WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / I / internal revenue service internal revenue service noun 24 letters Scrabble 30 WWF 38 Definitions noun the bureau of the Treasury Department responsible for tax collections irs Look “internal revenue service” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →