Quickly; without great difficulty or long wars.
Related Commentaries of Deuteronomy 9:3
Deuteronomy 9:3
3 Understand therefore this day, that the LORD thy God is he which goeth over before thee; as a consuming fire he shall destroy them, and he shall bring them down before thy face: so shalt thou drive them out, and destroy them quickly, as the LORD hath said unto thee.