Collusion is secret co-operation for a wrong purpose. Act in collusion, evidence of collusion, collusion between the firms.
In competition law it is a named offence: firms colluding to fix prices between them is among the most heavily punished business crimes. The Latin means to play together, which is exactly the accusation.
1nouncollusionSecret co-operation for a wrong purpose.
“The referee was accused of collusion with gamblers to fix the match.”
collusion is a conspiring.
Latin collusio comes from colludere, to play together, from com- plus ludere, to play.
Old French
collusion
Middle English
collusioun
English, today
collusion
Dated from the 14th century as Middle English collusioun, collusion; from Old French collusion, from Latin collusio (“act of colluding”).
Etymology from Wiktionary, CC BY-SA