Related Clues:

• Plunge down
• Make, as a basketball three-pointer
• Where things are washed up or settle on the seabed
• Basin used for washing dishes
• Feature of kitchen in decline
• Upland area with river in flood
• Fall to the bottom of the ocean
• Reach bottom?
• It's in the kitchen
• Unfortunately reach the ocean floor
• Do like the Titanic
• Founder of business in Knightsbridge
• Flood at lower level around river
• Closing pages by the pen of old journalist perhaps in decline
• Founder that's normally given a plug