Definition of "conspiracy" []

• An agreement to perform together an illegal, wrongful, or subversive act. (noun)
• A group of conspirators. (noun)
• Law An agreement between two or more persons to commit a crime or accomplish a legal purpose through illegal action. (noun)
• A joining or acting together, as if by sinister design: a conspiracy of wind and tide that devastated coastal areas. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "It's a conspiracy theory about ­conspiracy theories, about the ­powerful ­mythology of the greatest crime of the American century."
• "Your Palin conspiracy is in left field according to LL."
• "Barrie Zwicker, Canadian media commentator and journalist: "At a certain point, the term conspiracy-theory becomes just an excuse not to do your homework.""