SLAUGHTER Meaning of SLAUGHTER in English I . n. 1.Massacre, murder, carnage, bloodshed, butchery, havoc, killing, slaying.2.Butchery, killing. II . v. a. 1.Massacre, slay, kill, murder, butcher.2.Butcher, kill. Soule. Dictionary of English synonyms. Словарь английских синонимов. 2012