filthy
This water is very dirty.
foul
corrupt
He is a stain on someone's reputation.
to smear
Don't slander him.
to defile
dirt
This piece of clothing has a stain on it.
filth
There are many stains here.
filthy
This water is very dirty.
foul
corrupt
He is a stain on someone's reputation.
to smear
Don't slander him.
to defile
dirt
This piece of clothing has a stain on it.
filth
There are many stains here.