superficial

Describes things that stay on the outer layer, whether physically or metaphorically. In a physical sense, it is neutral and clinical, often used in medical contexts to describe injuries that don't penetrate deep tissue. When applied to knowledge or analysis, it carries a negative connotation of laziness or inadequacy. It suggests a failure to engage with the complexities of a topic, contrasting sharply with "profound" or "comprehensive." In social or personal contexts, it is highly critical. It describes a lack of emotional depth or sincerity, painting a picture of someone preoccupied with appearances, status, or vanity rather than substance. While "shallow" is a close synonym, "superficial" often feels slightly more formal and analytical.