The land - The earth; the world rings with the cry of grief.
Against the mighty - Against the mighty man, i. e., one mighty man against another. The champions hired to fight Egypt’s battle get in one another’s way, and so are slaughtered together.
Related Commentaries of Jeremiah 46:12
Jeremiah 46:12
12 The nations have heard of thy shame, and thy cry hath filled the land: for the mighty man hath stumbled against the mighty, and they are fallen both together.