collusive

/kəˈluːsɪv/
adjective
  1. Involving or characterized by secret cooperation for a dishonest or illegal purpose.
    • The court ruled that the companies had a collusive agreement to divide the market.
    • Collusive bidding among contractors drove up the cost of the project.
    • The investigation uncovered a collusive relationship between the inspector and the factory owner.
Antonyms
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