smear
verbUK /smɪə/
US /smɪr/
To spread something messy or sticky on a surface.
She smeared jam all over her toast.
OTHER MEANINGS
2. To rub dirt or a mark onto something so it looks messy.
He smeared mud on his new shoes.
3. To say untrue things about someone to damage their reputation.
The article tried to smear the mayor with false stories.
4. A dirty or greasy mark left on a surface.
There was a smear of paint on the window.
5. A small amount of something spread on a slide for testing under a microscope.
The doctor took a smear to check the cells.