1. A secret agreement between two or more people to perform an unlawful act
   "The prosecutors uncovered a conspiracy to defraud investors";
   - confederacy
    
2. A plot to carry out some harmful or illegal act (especially a political plot)
   "The investigators uncovered a conspiracy to overthrow the government";
   - cabal
    
3. A group of conspirators banded together to achieve some harmful or illegal purpose
   "The conspiracy to overthrow the government was uncovered by intelligence agencies";
   - confederacy

Derived forms: conspiracies

Type of: agreement, band, circle, game [informal], lot, plot, secret plan, set, understanding

Encyclopedia: Conspiracy, and Protection of Property Act 1875