The antonyms for decision support models may include indecision, uncertainty, insignificance, ignorance, and vagueness. While a decision support model provides clarity and guidance to make informed decisions, its antonyms represent a lack of direction, clarity, and purpose. For instance, when individuals suffer from indecision, they may struggle to make tough choices, resulting in a lack of action or progress. Similarly, in scenarios of vagueness or uncertainty, individuals cannot move forward with confidence and may fail to achieve their desired outcomes. Therefore, it is critical to utilize decision support models to stay focused, informed, and achieve success.