Hazardous risk refers to the potential for harm or negative effects arising from exposure to a hazard. A hazard is any source that can cause damage, harm, or adverse health effects. Risk, in this context, is the likelihood or probability that harm will occur when a person is exposed to that hazard.

Together, hazardous risk combines the severity of the hazard with the probability of harm, making it essential to assess both elements when managing safety, whether in the workplace or everyday environments. Understanding this distinction is crucial for implementing effective safety measures and reducing harm.