👉 In mathematics, "sterniness" or "sternness" is a noun that refers to an excessive concentration of effort and mental energy on a particular task. It implies a high level of dedication or focus on something. In simpler terms, "sternness" can be defined as the intensity of exertion or effort required to perform a task. For example: - When someone is extremely busy with work, it might be considered sterner than when they are less busy. - A person
