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
  • Tunneling too close to the river could risk breaching the water table and filling a karst formation, or underground cave — potentially triggering leaks of construction materials into the waterway.
    Stuart Dyos, Nashville Tennessean, 14 Aug. 2025
  • The average build-out cost per mile of fiber for internet service per mile can run as high as $80,000 for underground cable & $40,000 for aerial cable.
    PC Magazine, PC Magazine, 14 Aug. 2025
Adjective
  • Both men spent a lot of time in their respective bunkers during World War II, and those subterranean headquarters spoke volumes about their respective leadership styles.
    Bryce Hoffman, Forbes.com, 3 Aug. 2025
  • While Longfellow Bar made last year’s list, this year Ghost Baby, the subterranean bar in Over-the-Rhine, won the honors.
    Keith Pandolfi, Cincinnati Enquirer, 31 July 2025
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 19 Aug. 2025.

Last Updated: - Updated example sentences
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