Related Clues:
- Benchley novel "The __"
- Benthic
- Requiring scuba gear, say
- Far out from the shore
- Far beneath the surface
- Strongly felt
- Multilayered
- Not easily understood
- Profoundly philosophical
- Like ocean trenches
- Type of diving or fishing
- Like Hail Mary passes
- Kind of diving
- Like the diving-board end
- "Star Trek: ___ Space Nine"