from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Containing information whose unauthorized disclosure would pose the gravest threat to national security: authorized for access to top-secret reports.
  • adj. Of or relating to top-secret information: top-secret clearance.
  • adj. Accessible or known to authorized personnel only: a top-secret reconnaissance mission.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Having the highest secrecy classification.


Sorry, no etymologies found.


  • She declined to be named in part because she does not want to jeopardize her husband's top-secret clearance at his government contracting job.

    'Anonymous' movement views Web hijinx as public good, but legality is opaque

  • Most of his time at the agency involved top-secret covert actions, including bloody 1954 coups in Guatemala and a 1960s plot to assassinate Cuban leader Fidel Castro.

    Nestor D. Sanchez, 83; CIA official led Latin American division

  • If i were you i'd keep that stand location top-secret.

    Field & Stream

  • In an interview with the BBC in early 2002, she theorized that the murders were the result of a top-secret CIA project gone awry, and that the FBI was hesitant to arrest the killer because it would embarrass Washington.

    The Wrong Man

  • The same former friend, Hatfill asserts, also was responsible for undermining his efforts to secure a higher security clearance that would have enabled him to work on top-secret CIA projects when he was employed at SAIC.

    The Wrong Man

  • Claims "assimilated rank" after providing top-secret work for the Navy in the 1970s.

    Heroes or Villains?

  • He dismissed the trio as dishonest blowhards who were not privy to his top-secret assignment.

    Edgar Allen

  • To take the call, Toll steps into a top-secret secure "phone booth."

    Barry Toll

  • In his career specialty of repairing anything that receives, transmits or stores top-secret information, there were only two open slots in the entire Army for his new pay grade.

    Heroes or Villains?

  • Toll sees top-secret exchanges between Nixon and Israeli Prime

    Barry Toll


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