greatly deceived. Hebrew idiom for declaring that they would be deceived: i.e. by the false prophets who prophesied peace.
soul. Hebrew. nephesh. App-13.
Related Commentaries of Jeremiah 4:10
Jeremiah 4:10
10 Then said I, Ah, Lord GOD! surely thou hast greatly deceived this people and Jerusalem, saying, Ye shall have peace; whereas the sword reacheth unto the soul.