Antonyms of adj collusive

1 sense of collusive

Sense 1
collusive, conniving -- (acting together in secret toward a fraudulent or illegal end)

INDIRECT (VIA covert) -> overt, open -- (open and observable; not secret or hidden; "an overt lie"; "overt hostility"; "overt intelligence gathering"; "open ballots")

Similarity of adj collusive

1 sense of collusive

Sense 1
collusive, conniving -- (acting together in secret toward a fraudulent or illegal end)
       => covert (vs. overt) -- (secret or hidden; not openly practiced or engaged in or shown or avowed; "covert actions by the CIA"; "covert funding for the rebels")