Deep
Used to denote (1) the grave or the abyss (
Romans 10:7
;
Luke 8:31
); (2) the deepest part of the sea (
Psalm 69:15
); (3) the chaos mentioned in
Genesis 1:2
; (4) the bottomless pit, hell (
Revelation 9:1
, 2;
11:7
;
20:13
).
EastonsBibleDictionary.com