Noun: secret police
- A police force that operates in secrecy (usually against persons suspected of treason or sedition)
"The secret police monitored dissident groups"
Type of: Bill [Brit, informal], boys in blue [informal], constabulary, fuzz [informal], law, Old Bill [Brit, informal], police, police force, polis [UK, dialect, informal], the fuzz [informal]
Encyclopedia: Secret police