'Clean' in the Bible

Who, through the purpose of God, have been made holy by the Spirit, disciples of Jesus, made clean by his blood: May you have grace and peace in full measure.

But through holy blood, like that of a clean and unmarked lamb, even the blood of Christ:

And as you have made your souls clean, being ruled by what is true, and loving one another without deceit, see that your love is warm and from the heart:

And baptism, of which this is an image, now gives you salvation, not by washing clean the flesh, but by making you free from the sense of sin before God, through the coming again of Jesus Christ from the dead;