the Official Secrets Act
noun /ði əˌfɪʃl ˈsiːkrəts ækt/
/ði əˌfɪʃl ˈsiːkrəts ækt/
- (in the UK) a law that prevents people giving information if the government wants it to remain secretCulturePeople who work for many government departments must 'sign the Official Secrets Act'. They sign a document saying that they will not discuss their work with anybody who has not also signed the Act. People who break this rule may be sent to prison.