artifice assassination blood bloody murder bumping-off chicane chicanery collusion connivance connivery conspiracy covin crime deception dirty pool dirty trick dirty work dodgery double-dealing duplicity elimination falseheartedness foul guile hanky-panky homicide killing liquidation machination manslaughter murder perfidiousness perfidy pettifoggery pettifogging purge purging removal sharp practice skulduggery sleight supercherie thuggee thuggery thuggism treacherousness treachery trickery underhand dealing unfairness unsportsmanlikeness unsportsmanliness