Definition of "blemishing" []

• Present participle of blemish. (verb)

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• "It has often been said that Mayweather has been ducking Pacquiao for fear of blemishing his undefeated record."
• "The UCI added: “Mr C. Barredo infringed article 12.1.005 of the UCI regulations (blemishing of the image, the reputation or the interests of cycling and the UCI) during the 2010 Tour de France.”"
• "The Giants (13-6), who just missed blemishing the Patriots 'perfect mark on the final weekend of the regular season, get another shot as a wild card after making the Super Bowl the hard way with three road wins."