grungy

from 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}]

from 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]

from Moby Thesaurus II by Grady Ward, 1.0

18 Moby Thesaurus words for "grungy":
      dingy, dirty, dusty, grimy, grubby, messy, miry, muddy, scruffy,
      slovenly, smirchy, smoky, smudgy, smutchy, smutty, snuffy, sooty,
      untidy

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