collusion
collusion
/kəˈluːʒn/
secret agreement especially in order to do something dishonest or to trick people
in collusion with somebody
The police were corrupt and were operating in collusion with the drug dealers.
collusion (between A and B)
There was collusion between the two witnesses (= they gave the same false evidence).
Word Origin
late Middle English: from Latin collusio(n-), from colludere ‘have a secret agreement’, from col- ‘together’ + ludere ‘to play’.
e.g.