Definition of official secret in English:

official secret

Line breaks: of|fi¦cial se¦cret

Entry from British & World English dictionary

noun

British
  • A piece of confidential information that is important for national security: it is a crime to disclose an official secret

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