Definition: Unaltruistically is a term in psychology that describes an individual's behavior or actions that are motivated by selfishness, self-interest, and lack of concern for others' well-being. It refers to individuals who do not genuinely care about their own interests or welfare, but rather focus on their own needs and desires. In other words, unaltruistically individuals may engage in behaviors such as stealing, lying, cheating, or intentionally causing harm to others without considering the consequences or seeking out ways to