For alternate meanings, see: Accident , Accident , Accident , Accident, Maryland, and Car accidents.
accidentally collapses at a college football game, spilling fan onto the sidelines]]An accident is a specific, identifiable, unexpected, unusual and unintended external event which occurs in a particular time and place, without apparent cause but with marked effects. It implies a generally negative probabilistic outcome which may have been avoided or prevented had circumstances leading up to the accident been recognized, and acted upon, prior to its occurrence.Narrowly defined, the designation may refer only to the event, while not including the circumstances (facts surrounding) or results of the event; i.e., ?accident? is constrained to an immediate incident, the occurrence of which results in an unplanned outcome. In common use, however, ?accident? may include the entire interacting circumstantial framework (chance, pre-existing, or uncontrolled dynamically developing conditions; c
Source:
http://en.wikipedia.org/wiki/Accident