'Unclean Spirit' in the Bible

And straight-way there was in the synagogue a man with an unclean spirit. And he cried out,

And the unclean spirit, having convulsed him, and having cried 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 were beholding Him, were falling down before Him, and crying, saying, "Thou art the Son of God."

because they said, 'He hath an unclean spirit.'"

And, when He came out of the boat, straightway there met Him out of the tombs a man with an unclean spirit,

For He said to him, "Come forth, unclean spirit, out of the man!"

And He permitted them. And, coming out, the unclean spirits entered into the swine; and the herd rushed down the steep into the sea, about two thousand, and were drowned in the sea.

And He calleth to Him the twelve, and began to send them forth by two and two, and was giving them authority over the unclean spirits;

But straightway a woman, whose little daughter had an unclean spirit, having heard of Him, coming, fell down at His feet.

And Jesus, seeing that a multitude was running together, rebuked the unclean spirit, saying to it, "Deaf and dumb spirit, I command you, come out of him, and enter no more into him."