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 desolation and emptiness, and darkness over the face of the deep: and the spirit of God moved over the face of the waters.
The streams of water shall not overflow me, and the depth shall not swallow me down, and the well shall not close upon me her mouth.
They will go up to the heavens, they will go down to the depths: their soul will be melted with evil.
And he besought him that he would not command him to go away into the abyss.
Or, Who shall go down to the abyss? (that is, to bring up Christ from the dead.)
And the fifth angel sounded the trumpet, and I saw a star fallen from heaven to the earth: and there was given to him the key of the well of the bottomless pit.
And when they should finish their testimony, the wild beast coming up out of the abyss shall wage war with them, and shall conquer them, and kill them.