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adj.
free from dirt or stain: "pristine mountain snow"; "the unsullied splendor of eternal youth"- Oscar Wilde; "nor is there anything more virginal than the shimmer of young foliage"- L. P. Smith
adj.
soiled or likely to soil with dirt or grime; "dirty unswept sidewalks"; "a child in dirty overalls"; "dirty slums"; "piles of dirty dishes"; "put his dirty feet on the clean sheet"; "wore an unclean shirt"; "mining is a dirty job"; "Cinderella did the dirty work while her sisters preened themselves"