unclean Meaning, Definition & Usage

  1. adjective soiled or likely to soil with dirt or grime
    soiled; dirty.
    • 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
  2. adjective having a physical or moral blemish so as to make impure according to dietary or ceremonial laws
    impure.
    • unclean meat
    • and the swine...is unclean to you"-Leviticus 11:3

WordNet

Un*clean" adjective
Etymology
AS. unclne. See Unnot, and Clean.
Definitions
  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." Perkins. -- Un*clean"ly, adv. -- Un*clean"ness, n.

Webster 1913