Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

collusion

noun [U]
 
 
/kəˈluː.ʒən/ formal

Definition

agreement between people to act together secretly or illegally in order to deceive or cheat someone: It is thought that they worked in collusion with the terrorist network.Plotting and trappingPlanning, expecting and arrangingCheating and tricking collusive
 
 
/-sɪv/ adjective
There was evidence of collusive behaviour between the banks.Plotting and trappingPlanning, expecting and arrangingCheating and tricking
(Definition of collusion noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

“collusion” in other dictionaries

Word of the Day

come rain or shine

whatever happens

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More