DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   taint
       n 1: the state of being contaminated [syn: contamination,
            taint]
       v 1: place under suspicion or cast doubt upon; "sully someone's
            reputation" [syn: defile, sully, corrupt, taint,
            cloud]
       2: contaminate with a disease or microorganism [syn: infect,
          taint] [ant: disinfect]