WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / L / long-acting long-acting adjective 11 letters Scrabble 14 WWF 20 Definitions adjective active over a long period of time Look “long-acting” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →