WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / M / mass murder mass murder noun /mæsmɜrdər/ 11 letters Scrabble 15 WWF 18 Definitions noun the savage and excessive killing of many people butcherycarnagemassacreslaughter Look “mass murder” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →