Col‐lu″sive (?), a. 1. Characterized by collusion; done or planned in collusion. “Collusive and sophistical arguings.” J. Trapp. “Collusive divorces.” Strype.
2. Acting in collusion. “Collusive parties.” Burke.
— Col‐lu″sive‐ly, adv. — Col‐lu″sive‐ness, n.