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

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Example Sentences

Recent Examples of Synonyms for belowground
Adjective
  • Archaeologists then debated whether the tunnel was some kind of underground agricultural or industrial installation, but its scale and uniqueness in the region ruled out that possibility.
    Maria Mocerino, Interesting Engineering, 16 May 2026
  • Having been filtered through porous underground lava for decades, Silfra boasts exceptionally pure drinking water.
    Carinne Geil Botta, Travel + Leisure, 16 May 2026
Adjective
  • The architecture of the subterranean pathways that funnel magma to the surface, the chemistry of the magma, the cadence of eruptions, and the assortment of eruption styles differ from place to place.
    Quanta Magazine, Quanta Magazine, 8 May 2026
  • The utility has a subterranean network of some 4,600 miles of pipes under the city, including significant stretches of original cast and ductile iron — some dating back to the 1800s — which pose a risk of gas leaks that could lead to an explosion.
    Robert Channick, Chicago Tribune, 6 May 2026
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Cite this Entry

“Belowground.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/belowground. Accessed 21 May. 2026.

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