Definition of subsurfacenext
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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Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
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. Brandi D. Addison, USA Today, 1 June 2026 See All Example Sentences for subsurface
Recent Examples of Synonyms for subsurface
Adjective
  • Inside, plans call for wet and dry research labs, teaching labs, collaboration areas, offices, instructional spaces and a 130‑space underground parking garage.
    Gabby Sartori, USA Today, 30 June 2026
  • Some experts — and Kennedy — argue that offering peptides through licensed compounding pharmacies would shrink this underground market and direct people toward safer products.
    Aria Bendix, NBC news, 30 June 2026
Adjective
  • Visitors to the park can enjoy surface and subterranean exploration, canoeing the Green River, hiking, camping, and horseback riding.
    Josh Laskin, Travel + Leisure, 3 July 2026
  • The spa There’s a dreamy subterranean spa with all the standard treatments, but to really get into Potato Head’s groove, opt for a session at the New Age-y Sanctuary Wellness Centre instead.
    Condé Nast, Condé Nast Traveler, 1 July 2026

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Cite this Entry

“Subsurface.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/subsurface. Accessed 7 Jul. 2026.

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