Akademik

unclean

adj.
1 not clean.
2 unchaste.
3 unfit to be eaten; ceremonially impure.
4 Bibl. (of a spirit) wicked.
Derivatives:
uncleanly adv. uncleanly adj. uncleanliness n. uncleanness n.
Etymology: OE unclaeligne (as UN-(1), CLEAN)

Useful english dictionary. 2012.