#accident  a mishap; especially one causing injury or death
  supertype:  misadventure__mishap__mischance  an instance of misfortune
  subtype:  collision  an accident resulting from violent impact of a moving object; "three passengers were killed in the collision"; "the collision of the two ships resulted in a serious oil spill"
     subtype:  fender-bender  a collision between motor vehicles that produces minor damage
     subtype:  pileup  multiple collisions of vehicles
     subtype:  smash-up__smashup__smash  a serious collision (especially of motor vehicles)
  subtype:  crash.accident__wreck  a serious accident (usually involving one or more vehicles); "they are still investigating the crash of the TWA plane"
  subtype:  accidental_injury__injury  an accident that results in physical damage or hurt
     subtype:  concussion.accidental_injury  injury to the brain caused by a blow; usually resulting in loss of consciousness
     subtype:  mutilation  an injury that deprives you of a limb or other important body part
        subtype:  dismemberment__taking_apart  the removal of limbs; being cut to pieces
  subtype:  shipwreck.accident__wreck  an accident that destroys a ship at sea
     subtype:  capsizing  (nautical) the event of a boat accidentally turning over in the water
  subtype:  fatal_accident__fatalaccident__casualty  an accident that causes someone to die

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