A stain or spot (on clothes etc); any foreign substance that worsens appearance.
Previously unknown facts, or the invented "facts", about a person.
Meanness; sordidness.
In placer mining, earth, gravel, etc., before washing.
freckles
Soil or earth.
To make foul or filthy; soil; befoul; dirty
A toxic substance found in the venom of poisonous snakes.
A supposedly identical toxic substance obtained by cleavage of an albumose.