'Unnatural' in the Bible

Any woman using unnatural powers or secret arts is to be put to death.

And you may not have sex relations with a beast, making yourself unclean with it; and a woman may not give herself to a beast: it is an unnatural act.

And if a man has sex relations with his son's wife, the two of them are to be put to death: it is unnatural; their blood will be on them.

If a man lies [intimately] with a male as if he were a woman, both men have committed a detestable (perverse, unnatural) act; they shall most certainly be put to death; their blood is on them.

For any man whose body is damaged may not come near: one who is blind, or has not the use of his legs, or one who has a broken nose or any unnatural growth,

And they made their sons and their daughters go through the fire, and they made use of secret arts and unnatural powers, and gave themselves up to doing evil in the eyes of the Lord, till he was moved to wrath.

More than this, he made his children go through the fire in the valley of the son of Hinnom; and he made use of secret arts, and signs for reading the future, and unnatural powers, and gave positions to those who had control of spirits and to wonder-workers: he did much evil in the eyes of the Lord, moving him to wrath.

For the Lord will come up as on Mount Perazim, he will be moved to wrath as in the valley of Gibeon; so that he may do his work--strange is his work; and give effect to his act--unnatural is his act.

This is why God delivered them over to degrading passions. For even their females exchanged natural sexual relations for unnatural ones.

Do you not know that unrighteous men will not inherit God's Kingdom? Cherish no delusion here. Neither fornicators, nor idolaters, nor adulterers, nor any who are guilty of unnatural crime,

For those who go after loose women, for those with unnatural desires, for those who take men prisoners, who make false statements and false oaths, and those who do any other things against the right teaching,

So also Sodom and Gomorrah and the neighboring towns, since they indulged in sexual immorality and pursued unnatural desire in a way similar to these angels, are now displayed as an example by suffering the punishment of eternal fire.