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Definitions

top-secret

[top-see-krit] / ˈtɒpˈsi krɪt /
ADJECTIVE
highly classified
Synonyms
WEAK
classified hush-hush supersecret under security restrictions under wraps
top secret
NOUN
highly classified
Synonyms
WEAK
classified hush-hush supersecret under security restrictions under wraps

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.

“So it was an Energy and Commerce top-secret effort?”

From Slate • Mar. 18, 2026

Now, heading into their fourth winter of war, the country’s energy suppliers are banking on a network of massive, U.S.-designed batteries held at top-secret locations to help keep the lights on.

From The Wall Street Journal • Oct. 6, 2025

The documents, bearing a top-secret mark, were viewable between the Five Eyes intelligence alliance, made up of the US, Britain, Canada, New Zealand and Australia.

From BBC • Jun. 11, 2025

General Russel Honoré, sounded alarm bells late last year on Musk’s potential access to top-secret intelligence around China.

From Salon • Mar. 21, 2025

Feynman collected top-secret reports on uranium and strapped the papers to his back, under his shirt.

From "Bomb" by Steve Sheinkin