Secret and Top secret

Secret

Secret adjective - Undertaken or done so as to escape being observed or known by others.
Usage example: a secret operation to rescue captive soldiers behind enemy lines

Top secret is a synonym for secret in confidential topic. In some cases you can use "Top secret" instead an adjective "Secret", when it comes to topics like underhand, undisclosed.

Top secret

Definitions of Secret not found.

Secret is a synonym for top secret. You can use "Secret" instead an adjective phrase "Top secret".
Cite this Source
Top secret and Secret. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/secret/top_secret
Secret & Top secret. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/secret/top_secret>.
Top secret or Secret. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/secret/top_secret.
Google Ngram Viewer shows how "secret" and "top secret" have occurred on timeline