'Folly' in the Bible

And the man, the master of the house, went out unto them, and said unto them, Nay, my brethren, I pray you, do not so wickedly; seeing that this man is come into my house, do not this folly.

Behold, here is my daughter a virgin, and his concubine; them I will bring out now, and humble ye them, and do with them what seemeth good unto you: but unto this man do not any such folly.

And I took my concubine, and cut her in pieces, and sent her throughout all the country of the inheritance of Israel; for they have committed lewdness and folly in Israel.

and we will take ten men of a hundred throughout all the tribes of Israel, and a hundred of a thousand, and a thousand out of ten thousand, to fetch victuals for the people, that they may do, when they come to Gibeah of Benjamin, according to all the folly that they have wrought in Israel.