collusive

adj

Etymology: From Latin collūs- + -ive, from Latin collūdere, from con- + lūdere.

1. Secretly acting together for a fraudulent or illegal purpose.

   “Do not trust to what the French papers say about it. All their encomiums are collusive.”

   “For purposes of evaluating monopsony cases from the standpoint of economic efficiency, it makes sense to adopt a "purpose"-oriented classification system. After all, all monopsony cases can be reduced to either a unilateral or collusive use of buying power in order to promote the interests of the buyer.”