- Enter a word for the dictionary definition.
From The Collaborative International Dictionary of English v.0.48:
Unclean \Un*clean"\ ([u^]n*kl[=e]n"), a. [AS. uncl[=ae]ne. See Unnot, and Clean.] 1. Not clean; foul; dirty; filthy. [1913 Webster] 2. Ceremonially impure; needing ritual cleansing. [1913 Webster] He that toucheth the dead body of any man shall be unclean seven days. --Num. xix. 11. [1913 Webster] 3. Morally impure. "Adultery of the heart, consisting of inordinate and unclean affections." --Perkins. [1913 Webster] -- Un*clean"ly, adv. -- Un*clean"ness, n. [1913 Webster] Unclean animals (Script.), those which the Israelites were forbidden to use for food. Unclean spirit (Script.), a wicked spirit; a demon. --Mark i. 27. [1913 Webster]