'Deep' in the Bible

Seek the one who fashions the Pleiades and Orion, who turns the deep darkness into morning, who darkens day into night, who calls out to the waters of the sea, pouring them out onto the surface of the earth the LORD is his name.

Thus hath the Lord GOD shewed unto me: and, behold, the Lord GOD called to contend by fire, and it devoured the great deep, and did eat up a part.

Even if they go deep into the underworld, my hand will take them up from there; if they go up to heaven, I will get them down: