collusion
noun /kəˈluːʒn/
/kəˈluːʒn/
[uncountable] (formal, disapproving)- 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 Originlate Middle English: from Latin collusio(n-), from colludere ‘have a secret agreement’, from col- ‘together’ + ludere ‘to play’.