many nations - the subject peoples composing Babylon’s armies: and also Edom, Ammon, etc., who exulted in Judah’s fall (Lam 2:16; Oba 1:11-13).
defiled - metaphor from a virgin. Let her be defiled (that is, outraged by violence and bloodshed), and let our eye gaze insultingly on her shame and sorrow (Mic 7:10). Her foes desired to feast their eyes on her calamities.