'Unclean' in the Bible

And the people of the towns around Jerusalem also came together, bringing the sick and those tormented by unclean spirits, who were all being healed.

For many of those who had unclean spirits, they were coming out [of them], crying out with a loud voice, and many who were paralyzed and lame were healed.

But Peter said, "Certainly not, Lord! For I have never eaten anything common and unclean!"

And the voice [came] again to him for the second time: "[The things] which God has made clean, you must not consider unclean!"

And he said to them, "You know that it is forbidden for a Jewish man to associate with or to approach a foreigner. And to me God has shown [that] I should call no man common or unclean.

But I said, 'Certainly not, Lord! For nothing common or unclean has ever entered into my mouth!'

But the voice replied from heaven for the second time, '[The things] which God has made clean, you must not consider unclean!'