Related Clues:

• Covered with red ink
• Owing money
• Having liabilities
• Charging too much
• Beholden (to)
• Part of the game
• Seeing red?
• Beholden
• Behind on bills
• Owing (to)
• Not paid up
• Underwater craft
• Underwater vessel
• Dipped under a liquid
• Simmered, being completely engrossed