Strong H2973 יָאַל yâ'al · be foolish

Jeremiah

1. Jeremiah 5:4
   Therefore I said, Surely these are poor; they are foolish: for they know not the way of the Lord, nor the judgment of their God.
2. Jeremiah 50:36
   A sword is upon the liars; and they shall dote: a sword is upon her mighty men; and they shall be dismayed.