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Synonyms

top-secret

American  
[top-see-krit] / ˈtɒpˈsi krɪt /

adjective

  1. bearing the classification top-secret, the highest level of classified information.

  2. limited to persons authorized to use anything so classified.


top-secret British  

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

"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

Etymology

Origin of top-secret

First recorded in 1940–45; top 1 + secret

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The dance teacher said she auditioned for an "unknown artist" and once cast, the top-secret job involved being sent to the filming location in discreet transport.

From BBC

“My parents aren’t top-secret scientists, I can tell you that. And nobody’s ever tried to make us move.”

From Literature

Not when I’m holding top-secret correspondence from my runaway mother.

From Literature

They wanted a few British code breakers, and a few from France as well, to come to Poland for a top-secret meeting.

From Literature

Natanson was told she was not the focus of the probe, according to the Washington Post, which reported that officials were investigating Aurelio Perez-Lugones, a system administrator in Maryland with top-secret security clearance.

From BBC