A secret agreement and cooperation for a fraudulent or deceitful purpose; a playing into each other's hands; deceit; fraud; cunning. "The foxe, maister of collusion." "That they (miracles) be done publicly, in the face of the world, that there may be no room to suspect artifice and collusion." "By the ignorance of the merchants or dishonesty of the weavers, or the collusion of both, the ware was bad and the price excessive."