Related Clues:

• Shady
• Like Hail Mary passes
• Like the diving-board end
• "Star Trek: ___ Space Nine"
• Far from shallow
• Not superficial
• Like the diver's end of the pool
• Not clearly expressed
• Tough to grasp
• Light-blocking
• Difficult to understand
• Furrow-producing
• Not sheer
• Low-pitched, as a voice
• Sea, with "the"