adj.
a miner's begrimed face
dingy linen
grimy hands
grubby little fingers
a grungy kitchen
dirty" is often used in combination; "a dirty (or dingy) white
the muddied grey of the sea
muddy colors
dirty-green walls
dirty-blonde hair
a blue day
the dark days of the war
a week of rainy depressing weather
a disconsolate winter landscape
the first dismal dispiriting days of November
a dark gloomy day
grim rainy weather