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.

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Word of the day flippant
Pronunciation: ˈflɪp(ə)nt
adjective
not showing a serious or respectful attitude