The phrase "future tragedy" is a powerful and impactful term that describes potential events that may lead to sorrow and misfortune. However, if you are in search of alternative synonyms or similar phrases that may better represent the concept of future tragedy, here are some suggestions: impending disaster, looming calamity, imminent catastrophe, tragic possibility, potential misfortune, and looming misadventure. Each of these synonyms highlights the significance of possible unfortunate events that may happen in the future. By using these synonyms, one can add depth and emotion to their writing, particularly when discussing important issues that require attention and consideration.