Jeremiah 23:13

folly lit. that which is tasteless, insipid (cp. cognate substantive in Job 6:6 rendered "that which hath no savour"), hence moral unsavouriness, unseemliness.

prophets of Samaria They were simply idolaters, who made no secret of their belief or practice. The prophets of Jerusalem on the other hand were thoroughly immoral besides.

Baal See on Jeremiah 2:8.