top secret
adjective
1
: protected by a high degree of secrecy
a top secret weapon
a top secret meeting
2
a
: containing or being information whose unauthorized disclosure could result in exceptionally grave danger to the nation
top secret messages
compare confidential, secret
b
: of or relating to top secret documents
a top secret clearance
Examples of top secret in a Sentence
The mission is top secret.
Recent Examples on the Web
These operations would be authorized by DOE in locations outside the confines of DOE national laboratories (where current experiments are taking place in sites operating under U.S. government top secret protocols).
—
Noël Fletcher, Forbes.com, 29 July 2025
David Slater, 64, who had top secret clearance at his job at the U.S. Strategic Command at Offutt Air Force Base in Nebraska, pleaded guilty to a single count before a federal magistrate judge in Omaha on Thursday.
—Christiaan Hetzner, Fortune, 15 July 2025
There are three levels of classification: confidential, secret and top secret.
—Alexandra Hutzler, ABC News, 27 Mar. 2025
In 2016, Comey testified that three of the approximately 30,000 emails reviewed had any classification markings at all, and those markings did not signal the documents were top secret or TSSCI.
—Madison Czopek, Austin American Statesman, 25 Mar. 2025
See All Example Sentences for top secret
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Noël Fletcher, Forbes.com, 29 July 2025
David Slater, 64, who had top secret clearance at his job at the U.S. Strategic Command at Offutt Air Force Base in Nebraska, pleaded guilty to a single count before a federal magistrate judge in Omaha on Thursday.
—Christiaan Hetzner, Fortune, 15 July 2025
There are three levels of classification: confidential, secret and top secret.
—Alexandra Hutzler, ABC News, 27 Mar. 2025
In 2016, Comey testified that three of the approximately 30,000 emails reviewed had any classification markings at all, and those markings did not signal the documents were top secret or TSSCI.
—Madison Czopek, Austin American Statesman, 25 Mar. 2025
See All Example Sentences for top secret
Cite this Entry
“Top secret.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/top%20secret. Accessed 21 Aug. 2025.
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