smirch
1. [ noun ] a blemish made by dirt
Synonyms: blot spot daub smear slur smudge
Examples:

"he had a smudge on his cheek"

Related terms: blemish blotch fingermark inkblot spot blot spot smear
2. [ verb ] charge falsely or with malicious intent; attack the good name and reputation of someone
Synonyms: besmirch calumniate denigrate slander smear sully asperse defame
Examples:

"The journalists have defamed me!" The article in the paper sullied my reputation"

Related terms: charge badmouth assassinate libel defamation aspersion smear aspersion defamer slander
3. [ verb ] smear so as to make dirty or stained
Synonyms: besmirch
Related terms: smear smudge
4. [ noun ] an act that brings discredit to the person who does it
Synonyms: smear spot stain blot
Examples:

"he made a huge blot on his copybook"

Related terms: mistake tarnish
Similar spelling:   smirched
  smirker
  smirk