Shell-shock, also known as post-traumatic stress disorder (PTSD), is a condition that affects individuals who have experienced trauma, especially those who have served in the military during periods of war. Synonyms for the word "shell-shocks" include battle fatigue, combat stress, and post-traumatic stress disorder. These terms refer to the same issue and highlight the mental and emotional struggle experienced by those who have faced life-threatening situations during war and other traumatic experiences. It's essential to understand that PTSD is a genuine disorder that can have debilitating effects on a person's quality of life, and it's vital to seek support and treatment if experiencing symptoms.