Adjective for saying that certain distance below ground level is suitable for subways or other
underground transport. This word is commonly used by those who
don't have a
basic understanding of the English language.
"How far down do you reckon this subway
station should go?"
"Um, well, it needs to deep enough that we can
actually run some sufficient, kind of, subways under there"
"That's right. It needs to be subwayic