conspiracy theory

noun
|Updated on: 7 Jul 2018

Definition of conspiracy theory

: a theory that explains an event or set of circumstances as the result of a secret plot by usually powerful conspirators

conspiracy theorist

noun

Examples of conspiracy theory in a Sentence

  1. Conspiracy theories sprung up soon after the leader's assassination.

Recent Examples of conspiracy theory from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'conspiracy theory.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of conspiracy theory

1871

in the meaning defined above

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CONSPIRACY THEORY Defined for English Language Learners

conspiracy theory

Definition of conspiracy theory for English Language Learners

  • : a theory that explains an event or situation as the result of a secret plan by usually powerful people or groups


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