Reference: DEEP AND DEPTHS
American
The deep, or the great deep, signifies in Scripture, hell, the place of punishment, the bottomless pit, Lu 8:31, compare Re 9:1; 11:7; the grave, Ro 10:7; the deepest parts of the sea, Ps 69:15; 107:26; chaos in the beginning of the world, Ge 1:2. See HELL.
See Verses Found in Dictionary
And the earth was without order, and empty; and darkness was upon the face of the deep. And the Spirit of God moved upon the face of the waters.
Let not the violent force of the waters overcome me, neither let the deep swallow me up, and let not the pit shut her mouth upon me.
They mount up to the heavens; they go down again to the depths; their soul is melted because of trouble.
And they besought him that he would not command them to go out into the abyss.
Or, Who shall descend into the deep (that is, to bring up the Christ again from the dead)?
And the fifth angel sounded the trumpet, and I saw a star fall from heaven unto the earth; and to him was given the key of the bottomless pit.
And when they shall have finished their testimony, the beast that ascends out of the bottomless pit shall make war against them and shall overcome them and kill them.