Related Clues:

• Gradually diminish
• Become rusty
• Diminish slowly
• Diminish over time
• Shrink in increments
• Grind down
• Chip away, as support
• Shrink slowly
• Eat off the land?
• Diminish naturally
• Deplete gradually
• Wear down, as confidence
• Waste away gradually
• Take away little by little
• Lose little by little