unclean

Numbers 9:6
But there were some men who were unclean due to a dead body, so they could not observe the Passover on that day. And they came before Moses and Aaron that same day

Leviticus 21:1, 2, 10-12
Then the LORD said to Moses, "Speak to Aaron's sons, the priests, and tell them: 'A priest is not to defile himself for a dead person among his people, . . .

Ezekiel 44:25
A priest must not defile himself by going near a dead person. However, for a father, a mother, a son, a daughter, a brother, or an unmarried sister, he may do so,

Consecration.

1 Corinthians 11:10
For this reason a woman ought to have a sign of authority on her head, because of the angels.