unclean

adjectives

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"
dirty, soiled, unclean
is derived from
uncleanness
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
impure, unclean
is derived from
uncleanness
antonym
clean