'Unclean Spirit' in the Bible

And there was in their synagogue, a man vexed with an unclean spirit, and that cried

And the unclean spirit tare him, and cried out with a loud voice, and came out of him.

And when the unclean spirits saw him, they fell down before him, and cried saying, "Thou art the son of God."

Because they said, "He had an unclean spirit."

And when he was come out of the ship, anon there met him out of the graves a man possessed of an unclean spirit,

And anon Jesus gave them leave; And the unclean spirits went out and entered into the swine. And the herd startled, and ran headlong into the sea. They were about two thousand swine, and they were drowned in the sea.

And he called the twelve, and began to send them, two and two, and gave them power over unclean spirits.