Related Clues:

• Vanish gradually
• Eat at
• Dwindle, as support
• Wear away, as rock
• Wear through weathering
• Destroy over time
• Crumble into the sea, as shoreline
• Become ground down
• Weather away
• Create chasms
• Disappear slowly
• Fall off, as support
• Cause to deteriorate
• Diminish, as support
• Go from rock to dust