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  1. Conspiracy - Wikipedia

    A conspiracy, also known as a plot, ploy, or scheme, is a plan or agreement between people (called conspirers or conspirators) for an unlawful or harmful purpose, such as murder, treason, or …

  2. CONSPIRACY Definition & Meaning - Merriam-Webster

    conspiracy implies a secret agreement among several people usually involving treason or great treachery.

  3. CONSPIRACY | English meaning - Cambridge Dictionary

    CONSPIRACY definition: 1. the activity of secretly planning with other people to do something bad or illegal: 2. a…. Learn more.

  4. 21 of the best conspiracy theories - Live Science

    Sep 12, 2024 · Conspiracy theories that have taken hold range from a faked moon landing to Barack Obama's birthplace to chemtrails.

  5. conspiracy | Wex | US Law | LII / Legal Information Institute

    Conspiracy is an agreement between two or more people to commit an illegal act, along with an intent to achieve the agreement's goal. Most U.S. jurisdictions also require an overt act toward furthering the …

  6. Conspiracy theory | Definition, Examples, & Facts | Britannica

    Oct 31, 2025 · conspiracy theory, an attempt to explain harmful or tragic events as the result of the actions of a small powerful group. Such explanations reject the accepted narrative surrounding those …

  7. CONSPIRACY Definition & Meaning | Dictionary.com

    Conspiracy, plot, intrigue, cabal all refer to surreptitious or covert schemes to accomplish some end, most often an evil one. A conspiracy usually involves a group entering into a secret agreement to …

  8. conspiracy noun - Definition, pictures, pronunciation and usage notes ...

    a secret plan by a group of people to do something harmful or illegal. They were charged with conspiracy to murder. He's the sort of person who sees a conspiracy around every corner. I …

  9. Conspiracy - Definition, Examples, Cases, Processes

    May 31, 2017 · A conspiracy is an agreement or plan, made between two or more people, to engage in an illegal act, to obtain an unlawful objective, or to deprive another person of his legal rights.

  10. List of conspiracy theories - Wikipedia

    Conspiracy theorists have long posited a plot by organizations such as NASA to conceal the existence of a large planet in the Solar System known as Nibiru or Planet X, which is alleged to pass close …