as in underground
being, situated, or operating beneath the surface of the earth
a sandy wasteland that gave little hint of its subsurface wealth
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Recent Examples of subsurface
Unlike surface waves that break at the coast, these are subsurface shifts in ocean heat that move across thousands of miles.
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Brandi D. Addison,
USA Today,
1 June 2026
See All Example Sentences for subsurface
Brandi D. Addison,
USA Today,
1 June 2026
See All Example Sentences for subsurface
Recent Examples of Synonyms for subsurface
Adjective
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Inside, plans call for wet and dry research labs, teaching labs, collaboration areas, offices, instructional spaces and a 130‑space underground parking garage.
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Some experts — and Kennedy — argue that offering peptides through licensed compounding pharmacies would shrink this underground market and direct people toward safer products.
Adjective
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Nearby, the subterranean Cisternerne gallery offers an eerie, atmospheric art experience in former water reservoirs.
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One type of subterranean termite worth noting is the Formosan termite (Coptotermes formosanus).
Cite this Entry
“Subsurface.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/subsurface. Accessed 5 Jul. 2026.
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