Related Clues:

• Back in the garden as near sweetheart? Shame!
• Dirt, to dirty
• Reduce in quality
• Soil, defile
• Narrow pass; pollute
• Lower quality of
• Pollute; gorge
• It isn't a blemish
• Be sad, worried about English dishonour
• First sign of tiredness isn't an infection
• Create pollution in a gorge
• Contaminate, pollute
• Dye concealing a black mark
• Groundsman's concern
• It is kicked up by a bowler's studs and can spoil the pitch