mass murder mass meeting • mass murderer · · · Info · Definitions · Synonyms · Characters · · mass murder · · Text Common · · Latin · · Scripts 11 · · Length 3 · · Syllables Definitions · · · (noun) the savage and excessive killing of many people. Synonyms: slaughter, massacre, mass murder, carnage, butchery. · · Noun Definition 1 Synonyms · · · slaughter · · Synonym 1 massacre · · Synonym 2 carnage · · Synonym 3 butchery · · Synonym 4 Characters · · space U+0020 a latin small letter a U+0061 d latin small letter d U+0064 e latin small letter e U+0065 m latin small letter m U+006D r latin small letter r U+0072 s latin small letter s U+0073 u latin small letter u U+0075