"Impossible" refers to something that cannot be done or achieved. It often describes tasks or goals that seem beyond reach due to various limitations, such as physical laws, resources, or human capabilities. The term can also reflect a mindset, where individuals believe that certain outcomes are unattainable. In mathematics, "impossible" can relate to equations or problems that have no solution. In popular culture, the term is frequently used in phrases like "Mission: Impossible," which highlights challenges that characters must overcome, often against overwhelming odds. This concept encourages perseverance and creativity in problem-solving.