Definition of official secret in English:

official secret

Line breaks: of|fi¦cial se¦cret

noun

British
  • A piece of confidential information that is important for national security: it is a crime to disclose an official secret
    More example sentences
    • I should like to emphasise with all the power at my command that this case is not primarily about national security or official secrets.
    • It is interesting that the attorney general's advice should still be an official secret despite the freedom of information act.
    • Apart from extending the protection of official secrets to include any government document, the Bill makes it easier to jail journalists or anyone else found with a leaked government document.

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day coloratura
Pronunciation: ˌkələrəˈto͝orə
noun
elaborate ornamentation of a vocal melody