What is another word for "dirty"?

Roget's Thesaurus (1911) lists these synonyms for "dirty": adulator, claqueur, clawback, cloud, cloudiness, cloudy, courtier, dim, doer, earwig, encomiast, eulogist, film, flaneur, flatterer, fog, foggy, fuliginous, fumid, genus, hanger-on, haze, haziness, hazy, impervious, instrument, laudator, light, measure, misty, muddiness, muddy, muggy, murky, nephelometer, nubiferous, obfuscate, obscurity, obstruct, offuscate.