smirch - noun

a blemish made by dirt

an act that brings discredit to the person who does it

smirch - verb

• smear so as to make dirty or stained
• charge falsely or with malicious intent; attack the good name and reputation of someone

smirch - thesaurus

asperse   besmirch   blot   calumniate   daub   defame   denigrate   slander   slur   smear   smudge   spot   stain   sully