The term "robust" refers to something that is strong, healthy, and able to withstand difficult conditions. It is often used to describe systems, processes, or products that are reliable and perform well under stress. For example, a robust software application can handle a large number of users without crashing, ensuring a smooth experience. In a biological context, "robust" can describe an organism that is resilient and capable of thriving in various environments. A robust plant species might survive in both dry and wet conditions, showcasing its adaptability. Overall, robustness indicates durability and effectiveness in various situations.