Which of the following best describes a precarious situation?

A precarious situation is characterized by instability and a high risk of danger or failure. The term "precarious" implies something that is uncertain, insecure, or dependent on circumstance in a way that may lead to a risky outcome. Choosing the descriptor "hazardous" captures this essence perfectly, as it signifies a situation fraught with potential danger or harmful consequences.

In contrast, the other options present concepts that are not aligned with the idea of precariousness. "Near-fatal" refers to a situation that almost leads to death, which is a more extreme condition than merely being precarious. "Stable" directly contradicts the notion of being precarious, as stability suggests security and reliability. "Adventurous" implies excitement and risk but does not necessarily encompass the element of danger or instability inherent in a precarious situation. Therefore, "hazardous" is the most fitting description for a precarious situation.