A hazard is anything with the potential to cause harm.
A hazard is any condition, event, or circumstance which could induce an accident (EUROCONTROL ESARR 4).
A hazard is any existing or potential condition that can lead to injury, illness, or death to people; damage to or loss of a system, equipment, or property; or damage to the environment.
A hazard is a condition that could foreseeably cause or contribute to an accident or incident. (FAA AC 120-92B: Safety Management Systems for Aviation Service Providers).
Hazard Identification
Hazard identification is the process used to identify hazards..