Verb
1. stain by smearing or daubing with a dirty substance
2. make a smudge on; soil by smudging
3. cover (a surface) by smearing (a substance) over it;
"smear the wall with paint""daub the ceiling with plaster"4. 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"