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
Today, folks come from all over the world to relax in its 43,000-square-foot subterranean spa or see the festive gingerbread competition each December.
—
Tara Massouleh McCay, Southern Living, 12 Mar. 2026
Aire Ancient Baths A subterranean theater of candlelit pools and vaulted brick, Aire remains one of the city’s few strictly phone-and-camera-free refuges.
—Amy Louise Bailey, Travel + Leisure, 12 Mar. 2026
Because there’s being down bad, then there’s subterranean levels of angst.
—Dieter Kurtenbach, Mercury News, 11 Mar. 2026
The most common termite in California is the subterranean termite, which lives underground beneath homes, Tahija said.
—Sacbee.com, 10 Mar. 2026
See All Example Sentences for subterranean
Tara Massouleh McCay, Southern Living, 12 Mar. 2026
Aire Ancient Baths A subterranean theater of candlelit pools and vaulted brick, Aire remains one of the city’s few strictly phone-and-camera-free refuges.
—Amy Louise Bailey, Travel + Leisure, 12 Mar. 2026
Because there’s being down bad, then there’s subterranean levels of angst.
—Dieter Kurtenbach, Mercury News, 11 Mar. 2026
The most common termite in California is the subterranean termite, which lives underground beneath homes, Tahija said.
—Sacbee.com, 10 Mar. 2026
See All Example Sentences for subterranean
Recent Examples of Synonyms for subterranean
underground
Adjective
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The Boring Company unveiled its first underground loop project, the Las Vegas Loop, in 2021.—
Marco Quiroz-Gutierrez,
Fortune,
28 Mar. 2026
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Its features include a 1,200-square-foot cabana, which connects to the mansion via a private underground tunnel, and a 150-foot dock extending from the lawn.—
Megan Vaz,
Sun Sentinel,
27 Mar. 2026
Cite this Entry
“Subterranean.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/subterranean. Accessed 3 Apr. 2026.
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