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1. Not clean; foul; dirty; filthy.

2. Ceremonially impure; needing ritual cleansing. He that toucheth the dead body of any man shall be unclean seven days. (Num. Xix. 11)

3. Morally impure. Adultery of the heart, consisting of inordinate and unclean affections. Uncleanly, Uncleanness, Unclean animals, a wicked spirit; a demon.

Origin: AS. Unclne. See Unnot, and Clean.