The phrase "struggle for breath" refers to a feeling of difficulty in breathing caused by a variety of factors such as respiratory diseases, poor air quality, or intense physical activity. Synonyms for this phrase can be "gasping for air," "fighting to breathe," "wheezing," "panting," "suffocating," "choking," "breathless," "winded," or "hyperventilating." These words can help describe the experience of individuals struggling to breathe, whether due to respiratory ailments or intense workouts. Physicians and fitness coaches often use these terms to help diagnose and treat breathing-related problems, and people experiencing such difficulties may use them to communicate their discomfort to others.