massacre
noun
°The intentional killing of a considerable number of human beings, under circumstances of atrocity or cruelty, or contrary to the usages of civilized people.
"the massacre on "
°(obsolete) Murder.
verb
°To kill in considerable numbers where much resistance can not be made; to kill with indiscriminate violence, without necessity, and contrary to the usages of nations; to butcher; to slaughter - limited to the killing of human beings.
synonyms: butchery, carnage, slaughter