Where it appears

• Gen 34:7The sons of Jacob came in from the field when they heard it. The men were grieved, and they were very angry, because he had done folly in Israel in lying with Jacob’s daughter; a thing ought not to be done.
• Deut 22:21then they shall bring out the young lady to the door of her father’s house, and the men of her city shall stone her to death with stones, because she has done folly in Israel, to play the prostitute in her father’s house. So you shall remove the evil from among you.
• Josh 7:15It shall be, that he who is taken with the devoted thing shall be burned with fire, he and all that he has, because he has transgressed Yahweh’s covenant, and because he has done a disgraceful thing in Israel.’”
• Judg 19:23The man, the master of the house, went out to them, and said to them, “No, my brothers, please don’t act so wickedly; since this man has come into my house, don’t do this folly.
• Judg 19:24Behold, here is my virgin daughter and his concubine. I will bring them out now. Humble them, and do with them what seems good to you; but to this man don’t do any such folly.”
• Judg 20:6I 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.
• Judg 20:10and we will take ten men of one hundred throughout all the tribes of Israel, and one hundred of one thousand, and a thousand out of ten thousand, to get food for the people, that they may do, when they come to Gibeah of Benjamin, according to all the folly that they have worked in Israel.”
• 1 Sam 25:25Please don’t let my lord pay attention to this worthless fellow, Nabal; for as his name is, so is he. Nabal is his name, and folly is with him; but I, your servant, didn’t see my lord’s young men, whom you sent.
• 2 Sam 13:12She answered him, “No, my brother, do not force me! For no such thing ought to be done in Israel. Don’t you do this folly.
• Job 42:8Now therefore, take to yourselves seven bulls and seven rams, and go to my servant Job, and offer up for yourselves a burnt offering; and my servant Job shall pray for you, for I will accept him, that I not deal with you according to your folly. For you have not spoken of me the thing that is right, as my servant Job has.”
• Isa 9:17Therefore the Lord will not rejoice over their young men, neither will he have compassion on their fatherless and widows; for everyone is profane and an evildoer, and every mouth speaks folly. For all this his anger is not turned away, but his hand is stretched out still.
• Isa 32:6For the fool will speak folly, and his heart will work iniquity, to practice profanity, and to utter error against Yahweh, To make empty the soul of the hungry, and to cause the drink of the thirsty to fail.
• Jer 29:23because they have done foolish things in Israel, and have committed adultery with their neighbors’ wives, and have spoken words in my name falsely, which I didn’t command them. I am he who knows, and am witness,” says Yahweh.