Modifiers matching accident:

• preventable,
• working,
• tragic,
• violent,
• serious,
• external,
• personal,
• shocking,
• unusual,
• genetic,
• major,
• internal,
• marine,
• military,
• industrial,
• disastrous,
• mechanical,
• single,
• big,
• secondary,
• catastrophic,
• related,
• vehicular,
• unfortunate,
• everyday,
• traumatic,
• severe,
• lethal,
• cerebral,
• vascular,
• simple,
• future,
• previous,
• unexpected,
• bad,
• random,
• unintentional,
• natural,
• electric,
• interior,
• dramatic,
• small,
• physical,
• dangerous,
• supporting,
• sudden,
• maritime,
• agricultural,
• hazardous,
• possible,
• nuclear,
• minor,
• electrical,
• operational,
• unpredictable,
• fatal,
• significant,
• technological,
• cerebrovascular,
• massive,
• terrible,
• common,
• unforeseen,
• civil,
• isolated,
• conventional,
• harsh,
• medical,
• historical,
• uncommon,
• neurologic,

Simple categories matching catastrophic:

• event,
• loss,
• hazard,
• force,
• injury,
• illness,
• incident,
• disaster,
• disease,
• weather,
• repercussion,
• process,
• phenomenon,
• accident,
• landslide,
• adversity,
• situation,
• disorder,
• failure,
• cause,
• affliction,
• storm,
• disturbance,
• episode,
• tsunami,
• change,
• consequence,
• fault,
• result,
• circumstance,
• occurrence,
• care,
• risk,
• condition,
• fate,
• error,
• interference,
• circumstances,