Definition of conspiracy noun from the Oxford Advanced Learner's Dictionary



BrE BrE//kənˈspɪrəsi//
; NAmE NAmE//kənˈspɪrəsi//
[countable, uncountable] (pl. conspiracies) Terrorism
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a secret plan by a group of people to do something harmful or illegal conspiracy (to do something) a conspiracy to overthrow the government conspiracy (against somebody/something) conspiracies against the president conspiracy (to something) They were charged with conspiracy to murder. a conspiracy of silence (= an agreement not to talk publicly about something which should be made public) a conspiracy theory (= the belief that a secret conspiracy is responsible for a particular event) See related entries: Terrorism Word Originlate Middle English: from Anglo-Norman French conspiracie, alteration of Old French conspiration, based on Latin conspirare ‘agree, plot’, from con- ‘together with’ + spirare ‘breathe’.Extra examples He’s the sort of person who sees a conspiracy around every corner. I suspected that he was involved in the conspiracy. Officials have uncovered a conspiracy to discredit the government. There is a conspiracy of silence about the killer. This action was part of a conspiracy to deceive the public. Who organized the conspiracy against the president? a conspiracy against the king a conspiracy between the police and the right-wing parties charges of criminal conspiracy and corruption A lot of people subscribe to the conspiracy theory. He claimed there had been a conspiracy to overthrow the government. There had been several conspiracies against the president. There seems to be a conspiracy of silence on this matter.
See the Oxford Advanced American Dictionary entry: conspiracy