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
That paragraph distills, with humming intensity, a central activity of this era, of the subterranean lives of people who stay up all night on Adderall and adrenaline.
—
Niela Orr, Vulture, 13 Jan. 2026
Unlike crude oil, which pools in subterranean reservoirs, shale oil is found within shale rocks.
—Stefanie Waldek, Space.com, 12 Jan. 2026
Spa Not content with growing sideways, Claridges has also dug deep—120 feet to be precise—to impress guests with its gorgeous, 7,000 square-foot subterranean spa.
—Condé Nast, Condé Nast Traveler, 11 Jan. 2026
However, Honer said the project features a subterranean parking garage as well as a surface parking lot, amounting to 75 spaces.
—Tyler Faurot, San Diego Union-Tribune, 8 Jan. 2026
See All Example Sentences for subterranean
Niela Orr, Vulture, 13 Jan. 2026
Unlike crude oil, which pools in subterranean reservoirs, shale oil is found within shale rocks.
—Stefanie Waldek, Space.com, 12 Jan. 2026
Spa Not content with growing sideways, Claridges has also dug deep—120 feet to be precise—to impress guests with its gorgeous, 7,000 square-foot subterranean spa.
—Condé Nast, Condé Nast Traveler, 11 Jan. 2026
However, Honer said the project features a subterranean parking garage as well as a surface parking lot, amounting to 75 spaces.
—Tyler Faurot, San Diego Union-Tribune, 8 Jan. 2026
See All Example Sentences for subterranean
Recent Examples of Synonyms for subterranean
underground
Adjective
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For the next two years, David spent most of his time held captive in underground tunnels built beneath the Gaza Strip.—
Miami Herald,
Miami Herald,
23 Jan. 2026
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The casino also will have a players lounge; 11 bars, including a center bar and a sports bar; and 3,500 parking spaces, consisting of a 2,700-space underground parking garage and 800 surface parking spaces.—
Joe Marusak,
Charlotte Observer,
23 Jan. 2026
Cite this Entry
“Subterranean.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/subterranean. Accessed 28 Jan. 2026.
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