smear

US /smɪr/
UK /smɪr/
"smear" picture
1.

to spread a greasy, oily, or sticky substance over a surface

:
He accidentally smeared paint on his new shirt.
She smeared butter on the toast.
2.

to damage the reputation of someone by false accusations

:
His opponents tried to smear his name before the election.
The newspaper published a smear campaign against the politician.
1.

a mark or streak made by smearing something

:
There was a greasy smear on the window.
He wiped away the blood smear from his arm.
2.

an act of damaging someone's reputation

:
The politician accused his rival of a deliberate smear.
It was a calculated smear to ruin her career.