Related Clues:

• Stain, perhaps reputation
• Stain or discolour
• Stain, silver or reputation
• Stain or blemish, perhaps a reputation
• Stain, metal or reputation
• Discolouration of metal surface
• Stain or blemish as with silverware
• Cause to lose lustre, silver or reputation
• Stain or blemish, silver or reputation
• Cause to lose lustre, say silver
• This will not make one so bright in a lake-like way
• A mere likeness, perhaps? But that makes it so dull
• Are, perhaps, at Oxford
• To put pitch on a broken shin will discolour it on the outside
• Like a bit of water? That'll take the shine off it!