The meaning of SUBTERRANEAN is being, lying, or operating under the surface of the earth. How to use subterranean in a sentence. Go Underground With Subterranean.

Subterranean definition: existing, situated, or operating below the surface of the earth; underground.. See examples of SUBTERRANEAN used in a sentence.

Add to word list under the ground: a subterranean passage / river (Definition of subterranean from the Cambridge Academic Content Dictionary © Cambridge University Press)

Oct 7, 2025 · Adjective [edit] subterranean (not comparable) Below ground, under the earth, underground. quotations

1. existing, situated, or operating below the earth's surface; underground. 2. existing or operating out of sight or secretly. n. 3. a person or thing that is subterranean.

Definition of subterranean adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Factsheet What does the word subterranean mean? There are 11 meanings listed in OED's entry for the word subterranean. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

Subterranean definition: Situated or operating beneath the earth's surface; underground.

A subterranean river or tunnel is under the ground. The city has many subterranean passages.

Subterranean is an adjective that describes something just below what can be seen, like the subterranean jealousy you hide under a smile and kind words for the actor who got the part …