WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / P / penumbra penumbra noun /pɪnəmbrə/ 3 syllables 8 letters Scrabble 14 WWF 19 Definitions noun a fringe region of partial shadow around an umbra Look “penumbra” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →