1 subterranean | Definition of subterranean

subterranean

adjective
sub·​ter·​ra·​nean | \ ˌsəb-tə-ˈrā-nē-ən How to pronounce subterranean (audio) , -nyən\
variants: or less commonly subterraneous \ ˌsəb-​tə-​ˈrā-​nē-​əs How to pronounce subterraneous (audio) , -​nyəs \

Definition of subterranean

1 : being, lying, or operating under the surface of the earth
2 : existing or working in secret : hidden a subterranean network of criminals

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Other Words from subterranean

subterraneanly or less commonly subterraneously adverb

Synonyms & Antonyms for subterranean

Synonyms

belowground, subsurface, underground

Antonyms

aboveground, surface

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Go Underground With Subterranean

A tunnel is a subterranean road or pathway, and a subway is a subterranean railway. The subterranean vaults at Fort Knox hold billions of dollars of gold reserves. Subterranean reservoirs called aquifers are tapped for water; in places where the pressure on the subterranean water is great enough, a hole drilled in the ground will bring it bubbling to the surface.

Examples of subterranean in a Sentence

a subterranean bunker that supposedly could withstand even an atomic blast

Recent Examples on the Web

An additional $2,000 is requested to treat subterranean termites found throughout the buildings. Melanie Feuk, Houston Chronicle, "Tonight: Tomball City Council to consider budget, historical society funding, intention to annex land," 19 Aug. 2019 Both Tope and its (unnamed) subterranean sister bar will remain open. Michael Russell, oregonlive.com, "La Neta, modern Mexican restaurant at Chinatown’s Hoxton Hotel, to close, change concepts," 14 Aug. 2019 Native subterranean: Dark brown, 0.3 inches long including wings. Doreen Christensen, sun-sentinel.com, "Termite tips: How to identify, kill and prevent the voracious pests," 10 June 2019 Sobolev says that these minerals, which include chlorine, lead, and barium, hint towards a subterranean ocean comparable in mass to all the present-day oceans combined. David Grossman, Popular Mechanics, "How a Few Water Drops Could Change What We Know About Plate Tectonics," 6 Aug. 2019 Insider tip: For a fresh spin on modern, globally inspired French cooking from the St. Jack team, visit Scotch Lodge (215 S.E. Ninth Ave.), a subterranean cocktail den owned by longtime Barnett conspirator Tommy Klus. Michael Russell, oregonlive.com, "Lyon-inspired St. Jack has grown into -- and with -- its Northwest Portland home (2019 review)," 2 Aug. 2019 About 60% of the line would be subterranean, Metro said. Laura J. Nelson, Los Angeles Times, "Cost of Metro transit line through the Sepulveda Pass could reach $13 billion," 23 July 2019 Parking garages beneath the Los Angeles Civic Center and a subterranean vault beneath a Seattle freeway overpass are no longer designated as safe zones for a retreating public. James Rainey, NBC News, "What Should You Do in Case of Nuclear Attack? ‘Don’t Run. Get Inside’," 13 Jan. 2018 At the time, Neo-Nazis still seemed an outlandish, subterranean believe-it-or-not element in society. Dennis Harvey, chicagotribune.com, "‘Skin’ review: Jamie Bell plays a neo-Nazi trying to leave his old life behind," 25 July 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'subterranean.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of subterranean

1603, in the meaning defined at sense 1

History and Etymology for subterranean

Latin subterraneus, from sub- + terra earth — more at thirst

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More Definitions for subterranean

subterranean

adjective

English Language Learners Definition of subterranean

formal
: located or living under the surface of the ground
: existing or working in secret

subterranean

adjective
sub·​ter·​ra·​nean | \ ˌsəb-tə-ˈrā-nē-ən How to pronounce subterranean (audio) , -nyən\

Kids Definition of subterranean

: being, lying, or operating under the surface of the earth a subterranean lake

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