Mis estimation is a term that describes an error in judgment or calculation. It can have a significant impact on decision making, especially when it comes to finances and business performance. Synonyms for mis estimation include underestimation, miscalculation, misjudgment, misinterpretation, and misapprehension. These words all imply a mistake in determining the value, amount or potential impact of something. Underestimation refers to a miscalculation of the true value, while miscalculation refers to an error in mathematical calculation. Misjudgment and misinterpretation imply a mistake in perceiving the situation or information given, while misapprehension refers to a misunderstanding or incorrect belief about something. Regardless of the specific term used, mis estimation can be a costly error, and it is important to try to avoid it whenever possible.