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.
GRE Sections The GRE is a 3 hour 45 minute computer-adaptive test (CAT) that has three sections: an Analytical Writing Assessment, a Quantitative Section and a Verbal Section. Here's an overview of what's on each GRE section.