'Fortified' in the Bible

You will defeat every fortified city and every important city. You must chop down every productive tree, stop up all the springs, and cover all the cultivated land with stones."

"You have with you the sons of your master, chariots and horses, a fortified city, and weapons. So when this letter arrives,

In the fourteenth year of King Hezekiah's reign, King Sennacherib of Assyria marched up against all the fortified cities of Judah and captured them.

Certainly you must have heard! Long ago I worked it out, In ancient times I planned it; and now I am bringing it to pass. The plan is this: Fortified cities will crash into heaps of ruins.