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 North Milford Valley, in western Utah, is home to dormant volcanoes, subterranean lava deposits, and smatterings of obsidian—black volcanic glass—that Paiute peoples once collected for arrowheads and jewelry. Brent Crane, The New Yorker, 2 Mar. 2025 For over 5 million years, this subterranean time capsule remained completely cut off from the rest of the world, hidden beneath a thick slab of limestone and clay. Scott Travers, Forbes, 2 Mar. 2025 This unique creature, with a visible skull and specialized adaptations for cave life, was found in subterranean river systems. Stories By Real-Time News Team, With Ai Summarization, Miami Herald, 28 Feb. 2025 The missiles stabbed deep into the ground, obliterating two city blocks along with their target: Hezbollah’s subterranean headquarters, where Hassan Nasrallah, the group’s leader and a longtime nemesis for Israel, was meeting with his lieutenants. Nabih Bulos, Los Angeles Times, 23 Feb. 2025 See All Example Sentences for subterranean

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“Subterranean.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/subterranean. Accessed 18 Mar. 2025.

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