The crossword solution for the term 'Struggle to Breathe' is GASP, which is a four-letter word. Gasping is an involuntary reflex action that occurs when the body is deprived of oxygen. It is a sign of difficulty in breathing and can be caused by a variety of medical conditions, such as asthma, COPD, or other respiratory diseases. Gasping can also occur due to physical exertion or emotional distress.