slaughter *
massacre *
mass murder
carnage
butchery

If you turn us off the ship, it'd be mass murder.

Mass murder or cruel treatment of people during a war.

Mass murder, in the final hours of the city's disintegration?

His goal was mass murder, which he accomplished through three main methods.

"Mass murder, nothing else to call it, all by a bunch of senior citizens."

In the sight of the organization, a faulty car was mass murder.

Mass murder, then, was not an unintended consequence but part of the project from the start.

And inevitably they lead to abuse, oppression, even mass murder.

There were also mass murders of bourgeois who had supported the French.

The result then was mass murder and the deaths of an estimated 1.5 million, or 20 percent of the population.