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English definition of “top-secret”

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extremely secret, and not to be told or shown to anyone outside a particular group: top-secret documents/information a top-secret meeting/mission/project
Translations of “top-secret”
in Russian совершенно секретный…
in Turkish çok gizli…
in Polish ściśle tajny…
(Definition of top-secret from the Cambridge Business English Dictionary © Cambridge University Press)
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