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English definition of “conspiracy”

conspiracy

noun [C or U] uk   /kənˈspɪr.ə.si/ us  
the activity of secretly planning with other people to do something bad or illegal: The three men are accused of conspiracy. [+ to infinitive] She has been charged with conspiracy to murder. I think there was a conspiracy to keep me out of the committee. conspiracy of silence a general agreement to keep silent about a subject for the purpose of keeping it secret
(Definition of conspiracy from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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