attaint
bedarken
bedaub
besmear
besmoke
besmutch
besoil
bespatter
bestain
black
blacken
blackwash
blot
blotch
blur
brand
call names
charcoal
cork
darken
daub
defile
denigrate
dinge
dirty
discolor
ebonize
engage in personalities
heap dirt upon
ink
mark
melanize
muckrake
murk
nigrify
oversmoke
revile
scorch
sear
shade
shadow
singe
slubber
slur
smear
smirch
smoke
smouch
smudge
besmirched
besmirches
besmirching