The Collaborative International Dictionary of English v.0.48:
grungy \grungy\ adj. thickily covered with ingrained dirt or soot; as, a grungy kitchen. Syn: begrimed, dingy, grimy, grubby. [WordNet 1.5]WordNet (r) 3.0 (2006):
grungy adj 1: thickly covered with ingrained dirt or soot; "a miner's begrimed face"; "dingy linen"; "grimy hands"; "grubby little fingers"; "a grungy kitchen" [syn: begrimed, dingy, grimy, grubby, grungy, raunchy]