Related Clues:

• Gradual decline
• Become rancid, in a way
• "Bah!"
• Root problem?
• Stay forever, as in jail
• 'Horsefeathers!'
• Undergo decomposition
• Sit in a dump
• 'Rubbish!'
• Start to smell, maybe
• Problem affecting old lumber
• Ship's seepage
• Dirty water in a ship's bottom
• Turn rancid
• Hull section