Definition of belowgroundnext
as in underground
being, situated, or operating beneath the surface of the earth a vast belowground network of tunnels

Synonyms & Similar Words

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Example Sentences

Recent Examples of Synonyms for belowground
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
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.

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Cite this Entry

“Belowground.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/belowground. Accessed 6 Jul. 2026.

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