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
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, 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
Stops include Mirrorball, a contemporary gallery with a subterranean cocktail bar, and The Fitzgerald, a former bank where the old vault now serves as the men’s restroom.
—Belinda Luksic, Southern Living, 2 May 2026
After dinner moment Descending into Downtown's subterranean listening bar, Shyboy HiFi, is like entering another dimension.
—Nathanael Gassett, Bon Appetit Magazine, 30 Apr. 2026
See All Example Sentences for subterranean
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
Stops include Mirrorball, a contemporary gallery with a subterranean cocktail bar, and The Fitzgerald, a former bank where the old vault now serves as the men’s restroom.
—Belinda Luksic, Southern Living, 2 May 2026
After dinner moment Descending into Downtown's subterranean listening bar, Shyboy HiFi, is like entering another dimension.
—Nathanael Gassett, Bon Appetit Magazine, 30 Apr. 2026
See All Example Sentences for subterranean
Recent Examples of Synonyms for subterranean
underground
Adjective
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While the men managed to keep up their spirits, being underground for more than 10 days took an understandable physical toll.—
Kocha Olarn,
CNN Money,
30 May 2026
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Crews also will be replacing underground utilities, and constructing curbs and gutters, between 16th Street and 24th Street in Fruitland, and between 3rd Avenue and 6th Avenue in Payette, the release said.—
Rachel Roberts,
Idaho Statesman,
29 May 2026
Cite this Entry
“Subterranean.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/subterranean. Accessed 5 Jun. 2026.
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