Unclean a. : Not clean; foul; dirty; filthy.

Unclean a. : Ceremonially impure; needing ritual cleansing.

Unclean a. : Morally impure.

Example:
What's up with all the Unclean spirits that Jesus kept trying to cast out of people?

Taxonomy
meat, animals, law, kosher, Dogs, food, unclean animals, God, birds, tradition, Christ, Christians, idols, clean animals, characteristics, conscience, Jesus, Deuteronomy.

Defination from the web:
... In Islamic dietary laws several animals are considered unclean and not to be eaten (Haraam), while others are permitted (Halaal) ...