subterranean

play
adjective sub·ter·ra·nean \ˌsəb-tə-ˈrā-nē-ən, -nyən\
variants: or less commonly

subterraneous

play \-nē-əs, -nyəs\

Definition of subterranean

  1. 1 :  being, lying, or operating under the surface of the earth

  2. 2 :  existing or working in secret :  hidden a subterranean network of criminals

subterraneanly

or less commonly

subterraneously

adverb

Examples of subterranean in a sentence

  1. a subterranean bunker that supposedly could withstand even an atomic blast

Did You Know?

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.

Origin and Etymology of subterranean

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


First Known Use: 1603


SUBTERRANEAN Defined for English Language Learners

subterranean

play
adjective sub·ter·ra·nean \ˌsəb-tə-ˈrā-nē-ən, -nyən\

Definition of subterranean for English Language Learners

  • : located or living under the surface of the ground

  • : existing or working in secret


SUBTERRANEAN Defined for Kids

subterranean

play
adjective sub·ter·ra·nean \ˌsəb-tə-ˈrā-nē-ən, -nyən\

Definition of subterranean for Students

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



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