A secret group is a collective of individuals who come together for a common purpose, often with the intention of keeping their activities and identities hidden from the public. Examples of secret groups include the CABAL (5 letters), a term used to describe a powerful group of people working in secret to influence government policy; the CULT (4 letters), a religious or spiritual group whose practices are kept hidden from outsiders; the Klan (4 letters), a white supremacist organization that has been active in the United States since the late 19th century; and the Tong (4 letters), a Chinese secret society that has been active since the mid-19th century.