as in underground
being, situated, or operating beneath the surface of the earth
a subterranean bunker that supposedly could withstand even an atomic blast
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Recent Examples of subterranean
After a four-year closure, the popular series of subterranean chambers laced with crystalline formations found beneath Sequoia National Park is reopening to the public.
—
Bailey Berg, AFAR Media, 9 Apr. 2025
In addition, there's evidence of a 300-mile-deep (483-km) subterranean ocean trapped beneath the icy crust 25 to 62 miles (40 to 100 km) thick that is warmed by hydrothermal activity caused by the tides generated by the mass of Saturn.
—David Szondy, New Atlas, 8 Apr. 2025
The building’s subterranean spa includes a sauna, hammam, two treatment rooms, and a Jacuzzi.
—Katie Lockhart, Robb Report, 27 Mar. 2025
Sure, the cost of a tunnel 60 feet underground with elevators, escalators and stairs leading to a subterranean platform with ventilation shafts, lighting and security is exorbitant.
—Sun Sentinel Editorial Board, Sun Sentinel, 5 Apr. 2025
See All Example Sentences for subterranean
Bailey Berg, AFAR Media, 9 Apr. 2025
In addition, there's evidence of a 300-mile-deep (483-km) subterranean ocean trapped beneath the icy crust 25 to 62 miles (40 to 100 km) thick that is warmed by hydrothermal activity caused by the tides generated by the mass of Saturn.
—David Szondy, New Atlas, 8 Apr. 2025
The building’s subterranean spa includes a sauna, hammam, two treatment rooms, and a Jacuzzi.
—Katie Lockhart, Robb Report, 27 Mar. 2025
Sure, the cost of a tunnel 60 feet underground with elevators, escalators and stairs leading to a subterranean platform with ventilation shafts, lighting and security is exorbitant.
—Sun Sentinel Editorial Board, Sun Sentinel, 5 Apr. 2025
See All Example Sentences for subterranean
Recent Examples of Synonyms for subterranean
Adjective
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Even the price tag of the new Mount Weather work is confidential, but contracting details suggest workers will must be skilled in both underground construction and HVAC equipment, including air handlers.—
Trevor Hughes,
USA Today,
1 May 2025
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In 1965, the hotel built an underground bunker where guests could shelter during US air raids.—
Lilit Marcus,
CNN Money,
30 Apr. 2025
Cite this Entry
“Subterranean.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/subterranean. Accessed 3 May. 2025.
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