(adj): extremely filthy from long neglect
(adj): limp and soiled as if dragged in the mud
(adj): made dirty or foul
(adj): thickly covered with ingrained dirt or soot
(adj): soiled with dirt or soot
(adj): infested with bugs
(adj): covered with cobwebs
(adj): having a dirty face
(adj): foul with waste matter
(adj): disgustingly dirty; filled or smeared with offensive matter
(adj): foul and run-down and repulsive
(adj): smeared or soiled with grease or oil
(adj): infested with lice
(adj): spotted or blotched
(adj): dirty and messy; covered with mud or muck
(adj): dirty and infested with rats
(adj): covered with scum
(adj): smeared with something that soils or stains; these words are often used in combination
(adj): dirty with nasal discharge
(adj): covered with or as if with soot
(adj): soiled from travel
(adj): habitually unclean
(adj): not having been swept
(adj): not cleaned with or as if with soap and water
soil
(v): make soiled, filthy, or dirty
(v): cause to change; make different; cause a transformation