What's Does Subterranean Mean?

Subterranea are underground structures, both natural and human-made. Some subterranea and related topics include:

What is an example of subterranean?

The definition of subterranean is something that is under the earth's surface, or that is secret or concealed. An example of subterranean is a cave that is underneath the earth. An example of subterranean is a secret behind-the-scenes group that is in control of the book publishing industry.

What does Subterraneous mean?

Definitions of subterraneous. adjective. being or operating under the surface of the earth. synonyms: subterranean subsurface. beneath the surface.