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
Those laboratories include the historical Los Alamos National Laboratory in New Mexico, where the top secret Manhattan Project took place during World War II.
—
Minho Kim, New York Times, 17 Feb. 2025
Palantir’s products will be deployed in Microsoft’s Azure cloud for government, including clouds for top secret use.
—Britney Nguyen and Vinamrata Chaturvedi contributed to this article.
—Josh Fellman, Quartz, 12 Feb. 2025
The documents, marked top secret, were posted to the Telegram messaging app in October.
—Chris Pandolfo, Fox News, 13 Nov. 2024
The name’s Bezos… Jeff Bezos: Much like a Bond mission, the 007 news was kept top secret.
—Max Goldbart, Deadline, 21 Feb. 2025
See All Example Sentences for top secret
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Minho Kim, New York Times, 17 Feb. 2025
Palantir’s products will be deployed in Microsoft’s Azure cloud for government, including clouds for top secret use.
—Britney Nguyen and Vinamrata Chaturvedi contributed to this article.
—Josh Fellman, Quartz, 12 Feb. 2025
The documents, marked top secret, were posted to the Telegram messaging app in October.
—Chris Pandolfo, Fox News, 13 Nov. 2024
The name’s Bezos… Jeff Bezos: Much like a Bond mission, the 007 news was kept top secret.
—Max Goldbart, Deadline, 21 Feb. 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 10 Mar. 2025.
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