Pronunciation: /kəˈluːʒən/
noun a secret or illegal cooperation or conspiracy, especially in order to cheat or deceive others
A1 Collusion is when people work together secretly to do something illegal.
A2 The two companies were accused of collusion to fix prices.
B1 The investigation revealed evidence of collusion among the employees.
B2 The government imposed strict penalties for collusion in the industry.
C1 The collusion between the politicians and the lobbyists was exposed by the media.
C2 The international cartel was found guilty of collusion in manipulating the market.
formal The investigation uncovered evidence of collusion between the two companies.
informal I heard there might be some collusion going on between the boss and the supplier.
slang They're in cahoots, there's definitely some collusion happening.
figurative The synchronized swimming team moved in perfect collusion during the routine.
colluded
collusions
more collusion
most collusion
collude
will collude
have colluded
is colluding
collusion
collusion
to collude
colluding
colluding