col·lu·sion
kə-ˈlü-zhən
: secret agreement or cooperation especially for an illegal or deceitful purpose
acting in collusion with the enemy
collusively
adverb
col·lu·sive
kə-ˈlü-siv
-ziv
1
: constituting, marked by, or done with collusion : fraudulent
collusive agreement between pope and king—
G. M. Trevelyan
collusive bidding arrangements by contractors ostensibly competing
2
: given to or acting in collusion
collusive parties—
Edmund Burke
collusively
adverb
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Merriam-Webster unabridged



