'Destruction' in the Bible

thou shalt surely smite the inhabitants of that city with the edge of the sword, devoting it to destruction, and all that is therein, and the cattle thereof, with the edge of the sword.

but shalt utterly devote them to destruction, the Hittites and the Amorites, the Canaanites and the Perizzites, the Hivites and the Jebusites, as Jehovah thy God hath commanded thee;