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
  • Also on the completely off-grid estate is an underground tunnel that leads from the main house to a one-bedroom, one-bath guest suite atop a three-car garage that’s also outfitted with a greenhouse and a 45-kilowatt generator.
    Wendy Bowman, Robb Report, 28 Aug. 2025
  • Boring Company, which received initial approvals to construct a 68-mile underground taxi system below Las Vegas, still has not received the necessary permits to dig within city limits, a Las Vegas spokesman confirmed (the Las Vegas Convention Center tunnel is technically in Clark County).
    Jessica Mathews, Fortune, 27 Aug. 2025
Adjective
  • The story took an unexpected twist in 2011, when police discovered a network of subterranean shipping containers at the landfill being used to grow cannabis.
    Laura Paddison, CNN Money, 15 Aug. 2025
  • These drones, mounted with advanced magnetometry and radiometry, can detect subterranean anomalies.
    Jack Beresford, MSNBC Newsweek, 15 Aug. 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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“Belowground.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/belowground. Accessed 31 Aug. 2025.

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