top-secret

[ top-see-krit ]
See synonyms for top-secret on Thesaurus.com
adjective(of information, a document, etc.)
  1. bearing the classification top-secret, the highest level of classified information.

  2. limited to persons authorized to use anything so classified.: Compare classification (def. 5).

Origin of top-secret

1
First recorded in 1940–45; top1 + secret

Words Nearby top-secret

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use top-secret in a sentence

British Dictionary definitions for top-secret

top-secret

adjective
  1. containing information whose disclosure would cause exceedingly grave damage to the nation and therefore classified as needing the highest level of secrecy and security

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