Surreptitious and Subterranean

Surreptitious

Surreptitious adjective - Undertaken or done so as to escape being observed or known by others.
Usage example: a private investigator adept at taking surreptitious pictures of adulterous couples

Subterranean and surreptitious are semantically related. In some cases you can use "Subterranean" instead an adjective "Surreptitious".

Nearby Word: surreptitiously

Subterranean

Subterranean adjective - Being, situated, or operating beneath the surface of the earth.
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Synonyms for Subterranean

Surreptitious and subterranean are semantically related. Sometimes you can use "Surreptitious" instead an adjective "Subterranean".
Cite this Source
Subterranean and Surreptitious. (2016). Retrieved 2026, July 29, from https://thesaurus.plus/related/surreptitious/subterranean
Surreptitious & Subterranean. N.p., 2016. Web. 29 Jul. 2026. <https://thesaurus.plus/related/surreptitious/subterranean>.
Subterranean or Surreptitious. 2016. Accessed July 29, 2026. https://thesaurus.plus/related/surreptitious/subterranean.
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