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adj.
having a physical or moral blemish so as to make impure according to dietary or ceremonial laws; "unclean meat"; "and the swine...is unclean to you"-Leviticus 11:3
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"
adj.
free of extraneous elements of any kind; "pure air and water"; "pure gold"; "pure primary colors"; "the violin's pure and lovely song"; "pure tones"; "pure oxygen"