Related Clues:

• Opposite of strengthen
• Lose at the bank?
• Gnaw at
• Crumble away
• Reveal more forehead
• Go back, as a hairline
• Crumble over time
• Go backwards
• Disappear slowly but surely
• Chip away at, as confidence
• Rub away
• Drop back
• Wear away, as popularity
• Wash away
• Become worn down