D defs.my
Entry 3 senses Webster, 1913

Unclean

/(ŭn*klēn")/ · Un·clean · IPA /ʌnˈkliːn/
01 a. Not clean; foul; dirty; filthy.
  1. 1.
    Not clean; foul; dirty; filthy.
  2. 2.
    Ceremonially impure; needing ritual cleansing.
    “He that toucheth the dead body of any man shall be unclean seven days.” — Num. xix. 11.
  3. 3.
    Morally impure.
Phrases & compounds
Unclean animals — those which the Israelites were forbidden to use for food.
Unclean spirit — a wicked spirit; a demon.