Villainy - Elsewhere folly, in the sense of lewdness (Judges 20:6), unchastity.

Because they have committed villany ... —The Hebrew noun is almost always used for sins of impurity. It is more commonly …

We perceive why the Prophet mentions the cause of their death; it was so that the Jews might regard the event, not according to their own thoughts,…

Because they have committed villany in Israel
Or "folly" {f}; as the sins of adultery, and prophesying falsely, are …

Jeremiah foretells judgments upon the false prophets, who deceived the Jews in Babylon. Lying was bad; lying to the people of the Lord, to delude t…

v.23a

Here, he speaks of their guilt:

1. Adultery: folly, that is, a foolish thing; and adultery