ChristianAnswers.Net WebBible Encyclopedia
These divine maledictions carried their effect with them. Prophetical curses were sometimes pronounced by holy men (Genesis 9:25; 49:7; Deut. 27:15; Josh. 6:26). Such curses are not the consequence of passion or revenge, they are predictions.
The words “curse God and die” (Revised Version, “renounce God and die”), used by Job’s wife (Job 2:9), have been variously interpreted. Perhaps they simply mean that as nothing but death was expected, God would by this cursing at once interpose and destroy Job, and so put an end to his sufferings.