Deep
Deep adjective - Extending far downward.
Top secret and deep are semantically related. In some cases you can use "Top secret" instead an adjective "Deep".
Top secret
Deep and top secret are semantically related. Sometimes you can use "Deep" instead an adjective phrase "Top secret".
Mutual synonyms
Related pairs
Both terms in one sentence
- It follows the increasingly zany happenings at a top secret nuclear missile silo deep in the Negev desert, as seen from the point of view of two enlisted men serving as quartermasters.
Source: Armed Farces
Cite this Source
Top secret and Deep. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/deep/top_secret
Deep & Top secret. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/deep/top_secret>.
Top secret or Deep. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/deep/top_secret.
Google Ngram Viewer shows how "deep" and "top secret" have occurred on timeline