Main entry: blot, smear, smirch, spot, stain
Definition: an act that brings discredit to the person who does it
Usage: he made a huge blot on his copybook
Main entry: blot, spot, slur, smear, smirch, smudge, daub
Definition: a blemish made by dirt
Usage: he had a smudge on his cheek
Main entry: sully, defame, denigrate, calumniate, besmirch, asperse, slander, smear, smirch
Definition: charge falsely or with malicious intent; attack the good name and reputation of someone
Usage: The journalists have defamed me! The article in the paper sullied my reputation
Definition: smear so as to make dirty or stained