Beware Many False Prophets Will Arise
In the Old Testament, the actual term false prophet does not occur, but references to false prophets are evident and abundant. In the book of Jeremiah, we encounter a clear description of false prophets: “Then the LORD said to me, ‘The prophets are prophesying lies in my name. I have not sent them or appointed them or spoken to them. They are prophesying to you false visions, divinations, idolatries and the delusions of their own minds’” (Jeremiah 14:14 ; see also 23:21 –33; Zechariah 10:2).
A false prophet is a person who spreads false teachings or messages while claiming to speak the Word of God. In the Bible, false prophets also spoke on behalf of false gods. False prophets functioned in their prophetic role illegitimately or for the purpose of deception. The Bible denounces false prophets for leading people astray.
Credit: Got Questions https://www.gotquestions.org/false-prophets.html