smirch

nouns

a blemish made by dirt

"he had a smudge on his cheek"

blot, daub, slur, smear, smirch, smudge, spot

an act that brings discredit to the person who does it

"he made a huge blot on his copybook"

blot, smear, smirch, spot, stain

smear so as to make dirty or stained

besmirch, smirch

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"

asperse, besmirch, calumniate, defame, denigrate, slander, smear, smirch, sully