An internecine war is a deadly and destructive conflict between two or more groups within the same faction or organization. Often times, the terms "civil war" or "factional fighting" are used as synonyms for internecine war. Another synonym for internecine war is a "fratricidal conflict." This term refers to conflict between brothers, which is especially fitting when describing internecine warfare. Other words used to describe internecine war include "infighting," "intra-group conflict," and "factional warfare." Regardless of the terminology used, internecine war often results in significant damage to the group's morale, unity, and cohesion.