adjective:located or living under the surface of the ground
adjective:being, lying, or operating under the surface of the earth
Examples
the 'subterranean' [='underground'] world of organized crime
Movie quotes
(..) What's wrong? There's nothing wrong. It's the windows. You're thinking there's no windows. It's subterranean. It's not cozy, it's claustrophobic. No. No way. I wasn't thinking that. I was thinking, (..)
