The Rephaim were an ancient people associated with great stature and with the early inhabitants of regions east of the Jordan and near Jerusalem. They were connected with other giant peoples, including the Emim, Anakim, and Zamzummim. Some survived among the Philistines into David’s time. The same Hebrew term is also translated “the dead” or “the shades” in several passages, where it carries the sense of weak, powerless, or shadowy departed ones.
Scripture uses Rephaim for an ancient people encountered in the accounts of Canaan and the lands east of the Jordan. In other passages the word refers to the dead or departed shades, a distinct usage associated with weakness or shadow.
The Rephaim were regarded as aboriginal or early inhabitants of the land. They were known by different names among neighboring peoples, and their origin is not known. They are not necessarily identical with the Nephilim of Genesis 6:4.