a secret agreement, especially for fraudulent or treacherous purposes; conspiracy:
Some of his employees were acting in collusion to rob him.
2.
Law. a secret understanding between two or more persons to gain something illegally, to defraud another of his or her rights, or to appear as adversaries though in agreement:
collusion of husband and wife to obtain a divorce.
Origin
1350-1400;Middle English (< Middle French) < Latincollūsiōn- (stem of collūsiō), equivalent to collūs(us) (past participle of collūdere to collude) + -iōn--ion
There are a thousand questions about how to prevent collusion and other sorts of price manipulation.
The costs of collusion should make any boss think twice, though.
In good times industrial collusion, overseen by bureaucrats, is practically official policy.
Quiet diplomacy might work, but it can also let topics slip by and leave a public perception of indifference or collusion.
Secondly there was a collusion, all reports say there was one.
If they decrease output, it's on an individual basis, without any collusion.
Under certain market conditions, cartels arise naturally without collusion.
However, this might be similar to the collusion between the gas and car industry.
It will be interesting to see if there was collusion involved.
For the first time, the collusion rule would explicitly impose reporting requirements on applicants.
British Dictionary definitions for collusion
collusion
/kəˈluːʒən/
noun
1.
secret agreement for a fraudulent purpose; connivance; conspiracy
2.
a secret agreement between opponents at law in order to obtain a judicial decision for some wrongful or improper purpose
Derived Forms
collusive, adjective
Word Origin
C14: from Latin collūsiō, from collūdere to collude
Word Origin and History for collusion
n.
late 14c., from Old French collusion, from Latin collusionem (nominative collusio) "act of colluding," from colludere, from com- "together" (see com-) + ludere "to play," from ludus "game" (see ludicrous). "The notion of fraud or underhandedness is essential to collusion" [Fowler].