'Falsehood' in the Bible

They see falsehood and lying divination who are saying, ‘The Lord declares,’ when the Lord has not sent them; yet they hope for the fulfillment of their word.

Therefore, thus says the Lord God, “Because you have spoken falsehood and seen a lie, therefore behold, I am against you,” declares the Lord God.

Because you disheartened the righteous with falsehood when I did not cause him grief, but have encouraged the wicked not to turn from his wicked way and preserve his life,