Dictionary.com

subterranean

[ suhb-tuh-rey-nee-uhn ]
/ ˌsʌb təˈreɪ ni ən /
Save This Word!

adjective Also sub·ter·ra·ne·ous.
existing, situated, or operating below the surface of the earth; underground.
existing or operating out of sight or secretly; hidden or secret.
noun
a person or thing that is subterranean.
a subterrane.
QUIZ
ARE YOU A TRUE BLUE CHAMPION OF THESE "BLUE" SYNONYMS?
We could talk until we're blue in the face about this quiz on words for the color "blue," but we think you should take the quiz and find out if you're a whiz at these colorful terms.
Question 1 of 8
Which of the following words describes “sky blue”?
Meet Grammar CoachWrite or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing
Meet Grammar CoachImprove Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help

Origin of subterranean

1595–1605; <Latin subterrāne(us) (see subterrane) + -an

OTHER WORDS FROM subterranean

sub·ter·ra·ne·an·ly, sub·ter·ra·ne·ous·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use subterranean in a sentence

British Dictionary definitions for subterranean

subterranean
/ (ˌsʌbtəˈreɪnɪən) /

adjective
Also: subterraneous, subterrestrial situated, living, or operating below the surface of the earth
existing or operating in concealment

Derived forms of subterranean

subterraneanly or subterraneously, adverb

Word Origin for subterranean

C17: from Latin subterrāneus, from sub- + terra earth
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
FEEDBACK