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

Relevance

Antonyms & Near Antonyms

Example Sentences

Recent Examples of Synonyms for belowground
Adjective
  • These efforts are intended to validate the unique aspects of its underground deployment strategy before commercial operation.
    Neetika Walter, Interesting Engineering, 8 July 2026
  • The engraving was found at an underground Mithras temple at Zerzevan Castle, a Turkish fortification roughly 40 miles north of the Syrian border.
    Andrea Margolis, FOXNews.com, 6 July 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.

Browse Nearby Words

Cite this Entry

“Belowground.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/belowground. Accessed 13 Jul. 2026.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!