Yesterday's final teaching addressed the question of when a woman is considered unclean.

And it followed that because he had dreamt a dream, he was considered unclean.

This is because shoes are considered ritually unclean in the Muslim faith.

Harrington notes that ravens were considered unclean and they might have been removed from Matthew for this reason.

Slaughter of animals for food was considered low and unclean.

Among Muslims, the left hand is reserved for bodily hygiene and considered unclean.

The waters of the Pigah are a pond, and thus were considered ritually unclean.

Among Hindus, it is considered unclean to transfer food from one person's plate to another during a meal.

In and around the Arab world, the left hand is considered unclean.

These locations were considered unclean because ale visited them.