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 events occur when extremely hot underground water suddenly turns into steam, expands, and blasts apart the surrounding rock.
    Atharva Gosavi, Interesting Engineering, 12 Aug. 2026
  • By the time Irv and Kath met, the Oberbach Corporation was ankle-deep in concrete, middle-manning the cheap Chinese labor the city needed to build its demonic underground highway along the river.
    Literary Hub, Literary Hub, 11 Aug. 2026
Adjective
  • Art aficionados should consider The Georgian, which boasts its own gallery and hosts late-night jazz concerts and piano jams in its sultry subterranean restaurant, The Georgian Room.
    Carrie Bell, Forbes.com, 6 Aug. 2026
  • Perhaps the palm-tree mural emphasizes the open windowlessness of the subterranean, or the flat color dulls exertion.
    Literary Hub, Literary Hub, 5 Aug. 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 16 Aug. 2026.

Love words? Need even more definitions?

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

More from Merriam-Webster