Definition of conspiracy noun from the Oxford Advanced American Dictionary

 

conspiracy

 noun
noun
NAmE//kənˈspɪrəsi//
 
[countable, uncountable](pl. conspiracies)
 
jump to other results
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 conspiracy is responsible for a particular event)
See the Oxford Advanced Learner's Dictionary entry: conspiracy