Related Clues:

• Subject to ablation
• Bedevil
• Drive up the wall
• Lose underpinnings, e.g.
• Slowly lose ground
• Gradually destroy, as confidence
• Lessen gradually
• Wash away, as soil
• Diminish gradually
• Become weatherworn
• Rile up
• Diminish, in a way
• Rile
• Stick in one's craw
• Grate on