Rigorous, or strictness, refers to the quality of being demanding and precise in standards or rules. It often implies a high level of discipline and adherence to established guidelines, ensuring that processes are followed without deviation. This concept is commonly applied in various fields, such as education, science, and law, where exactness is crucial for achieving reliable results. In practice, rigorous methods can enhance the quality of outcomes by minimizing errors and inconsistencies. For instance, in scientific research, rigorous protocols are essential for validating findings, while in academic settings, strict grading criteria help maintain high educational standards.