Definition of subterranean in English:

subterranean

Syllabification: sub·ter·ra·ne·an
Pronunciation: /ˌsəbtəˈrānēən
 
/

adjective

1Existing, occurring, or done under the earth’s surface.
More example sentences
  • This three-dimensional complex of surface closed depressions, subterranean conduits, caves, and springs is known as karst terrain.
  • These drainages envelop the ephemeral wet surfaces and subterranean systems that rarely hold a diverse molluscan fauna.
  • Even after all that, there is still a vast reservoir of subterranean water inside the earth.
1.1Secret; concealed: the subterranean world of the behind-the-scenes television powerbrokers
More example sentences
  • Expertly juggling pathos and humour, Baumbach has created a queasy tug-of-war between surface civility and subterranean resentment.
  • Credulous undergraduates fall prey to priestly performers who claim to be initiating them into the subterranean mysteries.
  • In other words, this tradition suggests a subterranean relationship between pleasure and austerity.

Origin

early 17th century: from Latin subterraneus (from sub- 'below' + terra 'earth') + -an.

Derivatives

subterraneously

Pronunciation: /-ˈrānēəslē/
adverb
More example sentences
  • They alter human beings and human relationships, subterraneously for the most part, sometimes quite openly and directly.
  • The Queen Victoria Building is connected subterraneously with Pitt Street which is also a great place to do your shopping.
  • Politics and culture juxtapose to unravel a world of tourism and the seething violence and corruption subterraneously and silently hovering in the air.

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Word of the day grammarian
Pronunciation: grəˈme(ə)rēən
noun
a person who studies and writes about grammar