collusive

English

collusive (comparative more collusive, superlative most collusive)

secretly acting together for a fraudulent or illegal purpose.
- 1826 January 10, anonymous author, “Sketch of the Remarkable Persons who have Died in France During 1825”, in The London Magazine, volume 4, page 341:
  Do not trust to what the French papers say about it. All their encomiums are collusive.
- 2010, Roger D. Blair, Jeffrey L. Harrison, “The Antitrust Laws and Monopsonistic Forms of Conduct”, in Monopsony in Law and Economics, Cambridge: Cambridge University Press, →ISBN, section 2.4 (A Taxonomy of Monopsony Cases), page 29:
  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.

collusive