WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / L / lightproof lightproof adjective /laɪtpruf/ 10 letters Scrabble 19 WWF 21 Definitions adjective not penetrable by light “lightproof containers” light-tight Look “lightproof” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →