/kəˈlu:ʒn ||; kəˈluʒən/noun [U] (formal 正式) secret agreement, especially in order to do sth dishonest 共谋╱勾结╱串通﹙尤指为了干不正派的事﹚: The drugs were brought into the country with the collusion of customs officials. 在海关官员的同谋下，毒品运进了这个国家。