smear

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; "he had a smudge on his cheek"

an act that brings discredit to the person who does it; "he made a huge blot on his copybook"

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; "smear the wall with paint"; "daub the ceiling with plaster"

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"