the act of a person or thing that kills.

the total game killed on a hunt.

a quick and unusually large profit or financial gain

a killing in the stock market.

that kills.

exhausting

a killing pace.

Informal . irresistibly funny.

noun

assassination , bloodshed , bumping off , capital punishment , carnage , execution , extermination , homicide , manslaughter , massacre , slaughter , slaying , blood , assideration , blasting , bonanza , burkism , butchering , butchery , chance-medley , chaud-medley , cleanup , counteraction , decimation , destruction , excruciating , fatal , fusillade , garrote , guillotine , holocaust , immolation , lethal , lynching , martyrdom , murder , neutralization , profit , strangulation , success

adjective

hilarious , sidesplitting