abstract
aged
background
blank
cement
concrete
design
dirty
drop
dust
empty
floor
format
foul
gray
grey
grubby
grunge
grungy
liquid
material
messy
nasty
old
pattern
polluted
rock
rough
rust
space
splash
splatter
splattered
stain
stone
stripped
surface
texture
textured
tracery
unclean
unsanitary
vintage
wall
weathered
wet
white