WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / L / lighten up lighten up verb 10 letters Scrabble 15 WWF 19 Definitions verb make more cheerful buoy uplighten verb become lighter lighten verb make more cheerful through the use of color brightenlighten verb become more cheerful buoy uplighten Look “lighten up” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →