1. (n.) A collusive agreement between two or more persons to prejudice a third.

2. (n.) Deceit; fraud; artifice.

artifice cabal chicane chicanery collusion complicity complot confederacy connivance connivery conspiracy contrivance contriving counterplot deep-laid plot dodgery engineering finagling finesse foul play frame-up game intrigue little game machination maneuvering manipulation pettifoggery pettifogging plot plotting practice rigging scheme schemery scheming sharp practice skulduggery sleight stratagem supercherie trick trickery underhand dealing underplot web of intrigue wire-pulling