1 murder, carnage, butchery, execution, slaughter, bloodshed, death, massacre, genocide, liquidation, mass murder or destruction, decimation, extermination, blood bath, manslaughter; slaying, homicide, fatality:
The killing of dissidents must stop. There has been another killing in the park
2 coup, bonanza, success, windfall, stroke of luck, gain, profit, Colloq Brit bomb:
They've made a killing on the Stock Exchange.
3 devastating, ruinous, destructive, punishing, exhausting, debilitating, fatiguing, tiring, enervating, difficult, arduous:
How can you keep up the killing pace of having two jobs?