1. the employment of proven tactics that aid in decreasing the frequency and grimness of accidents. Accident analysis is often a method used in accident prevention. 2. the subjective examination of how likely one is to be in or cause an accident. 3. improvisation tactics that come in the form of warning labels, directions, and more to deter people from using machinery and other objects in improper manners which may be more likely to result in accidents.

ACCIDENT PREVENTION: "Part of driver safety courses is geared specifically at accident prevention."