Definition of conspiracy in English:


Syllabification: con·spir·a·cy
Pronunciation: /kənˈspirəsē

noun (plural conspiracies)

  • 1A secret plan by a group to do something unlawful or harmful: a conspiracy to destroy the government
    More example sentences
    • The tacit conspiracy is the cause; the secret conspiracies are the symptoms.
    • Where there were kings, queens, palaces there ought to be intrigues, conspiracies and secret tunnels.
    • If the uncovered ‘secrets’ involve grand conspiracies, so much the better.
    plot, scheme, plan, machination, ploy, trick, ruse, subterfuge
    informal racket
  • 1.1The action of plotting or conspiring: they were cleared of conspiracy to pervert the course of justice
    More example sentences
    • She is serving three-and-a-half years in prison for conspiracy to pervert the course of justice.
    • Tamper with a witness and see how you would go on a charge of conspiracy to pervert the course of justice.
    • The second man is also being held on suspicion of conspiracy to pervert the course of justice.
    plotting, collusion, intrigue, connivance, machination, collaboration; treason


a conspiracy of silence

An agreement to say nothing about an issue that should be generally known.
More example sentences
  • There's a conspiracy of silence around this issue.
  • There were also calls to revive the issues that had been subject to a debilitating conspiracy of silence.
  • In a room where people unanimously maintain a conspiracy of silence, one word of truth sounds like a pistol shot.


late Middle English: from Anglo-Norman French conspiracie, alteration of Old French conspiration, based on Latin conspirare 'agree, plot' (see conspire).

More definitions of conspiracy

Definition of conspiracy in:

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day maelstrom
Pronunciation: ˈmālˌsträm
a powerful whirlpool in the sea