Which term refers to a strong expression of disapproval in legal terms?

The term that refers to a strong expression of disapproval in legal terms is "indictment." An indictment is a formal charge or accusation of a serious crime, usually issued by a grand jury. It represents a significant step in the legal process, indicating that there is enough evidence to formally accuse someone of wrongdoing. This process inherently conveys a strong disapproval of the alleged actions, as it suggests that the individual has likely committed an offense warranting legal consequences.

In contrast, the other options do not accurately describe a legal expression of disapproval. "Depreciate" relates to a reduction in value or worth, which does not align with the concept of disapproval. "Obscure" means to make something unclear or difficult to perceive, and does not pertain to legal judgments at all. "Prevailing" refers to something that is victorious or dominant, but it does not convey any sense of disapproval. Thus, among the choices, "indictment" is the only term that fits the definition provided.