陰いん謀ぼう団だん

noun

cabal; conspiratorial group

Refers to a secret political faction or group of plotters, often with a negative connotation.

• その陰いん謀ぼう団だんは政せい府ふ転てん覆ぷくを企くわだてていた。

  The cabal was plotting to overthrow the government.