Usually means: Highest level of classified information.
Definitions Related words Mentions
We found 16 dictionaries that define the word top-secret:

General (14 matching dictionaries)
  1. top-secret: American Heritage Dictionary of the English Language
  2. top-secret, top-secret: Collins English Dictionary
  3. top-secret: Vocabulary.com
  4. Top-Secret, Top-secret, top-secret: Wordnik
  5. top-secret: Wiktionary
  6. top-secret: Webster's New World College Dictionary, 4th Ed.
  7. top-secret: The Wordsmyth English Dictionary-Thesaurus
  8. top-secret: Infoplease Dictionary
  9. top-secret: Dictionary.com
  10. Top-secret: Wikipedia, the Free Encyclopedia
  11. top-secret: Rhymezone
  12. top-secret: FreeDictionary.org
  13. top-secret: Mnemonic Dictionary
  14. top-secret: TheFreeDictionary.com

Business (1 matching dictionary)
  1. top-secret: Legal dictionary

Computing (1 matching dictionary)
  1. top-secret: Encyclopedia

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Definitions from Wiktionary (top-secret)

▸ adjective:  Having one of the highest secrecy classifications, "top secret".

Similar:
classified, superclassified, top secret, supersecret, maximum-security, top-level, top-class, superexclusive, top-tier, top-priority, more...

Opposite:
public, open, unrestricted, unclassified

Types:
classified, confidential, secret, top secret, more...

▸ Words similar to top-secret

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▸ Popular nouns described by top-secret

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▸ Rhymes of top-secret

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Similar:
classified, superclassified, top secret, supersecret, maximum-security, top-level, top-class, superexclusive, top-tier, top-priority, more...

Opposite:
public, open, unrestricted, unclassified

Types:
classified, confidential, secret, top secret, more...



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