besmirch


besmirch (http://definr.com/besmirch)

     v 1: charge falsely or with malicious intent; attack the good
          name and reputation of someone; "The journalists have
          defamed me!" The article in the paper sullied my
          reputation" [syn: defame, slander, smirch, asperse,
           denigrate, calumniate, smear, sully]
     2: smear so as to make dirty or stained [syn: smirch]