Deep
Easton, 1897
Used to denote (1) the grave or the abyss (Romans 10:7; Luke 8:31); (2) the deepest part of the sea (Psalms 69:15); (3) the chaos mentioned in Genesis 1:2; (4) the bottomless pit, hell (Revelation 9:1, Revelation 9:2; Revelation 11:7; Revelation 20:13).
Dictionary: M. G. Easton, Illustrated Bible Dictionary (1897, public domain).