Related Clues:
- Like discussions of metaphysics
- Word before fryer or freezer
- Like a basso profundo voice
- Far downfield
- Like the part of a pool with a diving board
- Near the ocean floor
- Taking place far from land
- Heavy sea
- Like many trenches
- Adele's "Rolling in the ___"
- "Take a ___ breath!"
- Sea bass?
- Scottish river, quiet and extending far down
- River reaching middle of Caspian Sea
- Very thought-provoking