WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / S / sump sump noun 4 letters Scrabble 8 WWF 11 Definitions noun a covered cistern; waste water and sewage flow into it cesspitcesspoolsink noun an oil reservoir in an internal combustion engine noun a well or other hole in which water has collected Look “sump” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →