: post-traumatic stress disorder occurring under wartime conditions (such as combat) that cause intense stress : battle fatigue : shell shock
- Nearly a half-million American soldiers were battle casualties during the fighting in Europe; by 1945 another 111,000 neuropsychiatric cases—then usually called combat fatigue—had been treated.
- —Roger J. Spiller
- The psychological strain he continues to endure has had many names over the years. In World War I, it was shell shock. In World War II, it was combat fatigue …
- —Steven Lee Meyers