Oxford Dictionary English secret police nounnoun BrE BrE//ˌsiːkrət pəˈliːs// ; NAmE NAmE//ˌsiːkrət pəˈliːs// [singular + singular or plural verb] The police Add to my wordlistjump to other resultsa police force that works secretly to make sure that citizens behave as their government wants See related entries: The policeSee secret police in the Oxford Advanced American DictionaryCheck pronunciation: secret police oxfordlearnersdictionaries.com