smear - noun

slanderous defamation

a thin tissue or blood sample spread on a glass slide and stained for cytologic examination and diagnosis under a microscope

a blemish made by dirt

an act that brings discredit to the person who does it

smear - verb

• stain by smearing or daubing with a dirty substance
• make a smudge on; soil by smudging
• cover (a surface) by smearing (a substance) over it
• charge falsely or with malicious intent; attack the good name and reputation of someone

smear - thesaurus

asperse   besmirch   blot   blur   calumniate   cytosmear   daub   defame   denigrate   malignment   slander   slur   smirch   smudge   smutch   spot   stain   sully   vilification