dirty
soiled
unclean
begrimed
dingy
dusty
grimy
grubby
messy
miry
muddy
scruffy
slovenly
smirchy
smoky
smudgy
smutchy
smutty
snuffy
sooty
untidy
badass
barnlike
bell-bottom
biggish
four-car
ground-car
marble-paved
mouthwash
rowers'
single-car
stone-washed
straight-legged
sub-surface
two-car
unheated
washboard
bungee
spongy