Related Clues:

• Decreases in vigour or strength
• Grows smaller like the moon
• Borders, margins
• Goes down like storm
• Becomes less strong like storm
• Of the moon, gradually decreases
• Decreases in vigour or strength like the moon
• Becomes less severe and more lenient
• Flows back or recedes
• Lets up, dies away
• Gradually decreases
• 'Lets up, dies away (6)'
• Gradually declines
• Becomes less severe or strong
• Lets up, dies down