Definitions of smear:

  • noun:   a thin tissue or blood sample spread on a glass slide and stained for cytologic examination and diagnosis under a microscope
  • noun:   slanderous defamation
  • noun:   an act that brings discredit to the person who does it
  • noun:   a blemish made by dirt
  • verb:   make a smudge on; soil by smudging
  • verb:   stain by smearing or daubing with a dirty substance
  • verb:   cover (a surface) by smearing (a substance) over it
    Example: "Smear the wall with paint"
  • verb:   charge falsely or with malicious intent; attack the good name and reputation of someone