top secret

adjective

: protected by a high degree of secrecy

a top secret weapon

a top secret meeting

: containing or being information whose unauthorized disclosure could result in exceptionally grave danger to the nation

top secret messages

compare confidential, secret

: 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 examples are automatically compiled from online sources to illustrate current usage. Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

In addition, the next film from Christopher Nolan and producing partner and wife Emma Thomas set for a release in July 2026 will use new Imax technology to shoot that top secret feature for Universal. —

Etan Vlessing, The Hollywood Reporter, 30 Oct. 2024 The documents, marked top secret, were first reported Saturday by CNN and Axios. —

Kathryn Watson, CBS News, 21 Oct. 2024 Who is invited to the Met Gala? Until the evening before the event, the guest list is top secret. —

Vogue, 9 Oct. 2024 The potential leak could be the sign of very serious security breach within the U.S. intelligence community that resulted in top secret classified information reaching a Telegram channel affiliated with Iran. —

Barak Ravid, Axios, 19 Oct. 2024 See all Example Sentences for top secret