'Unclean Spirit' in the Bible

And straightway there was in their synagogue a man with an unclean spirit; and he cried out,

And the unclean spirit, tearing him and crying with a loud voice, came out of him.

And they were all amazed, insomuch that they questioned among themselves, saying, What is this? a new teaching! with authority he commandeth even the unclean spirits, and they obey him.

And the unclean spirits, whensoever they beheld him, fell down before him, and cried, saying, Thou art the Son of God.

because they said, He hath an unclean spirit.

And when he was come out of the boat, straightway there met him out of the tombs a man with an unclean spirit,

For he said unto him, Come forth, thou unclean spirit, out of the man.

And he gave them leave. And the unclean spirits came out, and entered into the swine: and the herd rushed down the steep into the sea, in number about two thousand; and they were drowned in the sea.

And he calleth unto him the twelve, and began to send them forth by two and two; and he gave them authority over the unclean spirits;

But straightway a woman, whose little daughter had an unclean spirit, having heard of him, came and fell down at his feet.

And when Jesus saw that a multitude came running together, he rebuked the unclean spirit, saying unto him, Thou dumb and deaf spirit, I command thee, come out of him, and enter no more into him.