Catastrophe definition, a sudden and widespread disaster: the catastrophe of war. See more.
1 Total Time: The computer-delivered GRE takes 3 hours and 45 minutes for the average student.  Experts recommend sitting for the GRE exam one year prior to entering graduate school. This allows for ample study time and the option to retake it if desired.
Approximately three hours and 45 minutes for the computer-based GRE (including breaks), or exactly three hours 40 minutes for the paper-based GRE (including breaks).