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[top-see-krit] /ˈtɒpˈsi krɪt/
adjective, (of information, a document, etc.)
bearing the classification top-secret, the highest level of classified information.
limited to persons authorized to use anything so classified.
Compare classification (def 5).
Origin of top-secret
1940-45; top1 + secret Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for top-secret
  • Nor is he trying to protect the top-secret business model of one of the dozens of start-ups he is advising or has financed.
  • Early in his career, he was selected to build a top-secret satellite, and he's been inventing ever since.
  • The couple pulled off the near-impossible: a top-secret wedding.
British Dictionary definitions for top-secret


containing information whose disclosure would cause exceedingly grave damage to the nation and therefore classified as needing the highest level of secrecy and security
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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