had been massacring

• past perfect progressive

  past perfect progressive

  Used to describe an action that was ongoing continuously in the past up until another past event interrupted it.

  of massacre.
  massacre

  noun

  the unnecessary, indiscriminate killing of a large number of human beings or animals, as in barbarous warfare or persecution or for revenge or plunder.

Related Words

• assassination
• bloodbath
• bloodshed
• carnage
• extermination
• genocide
• murder
• slaughter
• slaying