"a miner's begrimed face" "dingy linen" "grimy hands" "grubby little fingers" "a grungy kitchen"
(of color) discolored by impurities; not bright and clear;
"dirty" "a dirty (or dingy) white" "the muddied grey of the sea" "muddy colors" "dirty-green walls" "dirty-blonde hair"
causing dejection;
"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"