Modifiers matching catastrophe:

• single,
• temporary,
• small,
• major,
• natural,
• random,
• predictable,
• widespread,
• unnatural,
• sudden,
• dramatic,
• worldwide,
• local,
• extraordinary,
• environmental,
• localized,
• violent,
• political,
• physical,
• unforeseeable,
• astronomical,
• individual,
• external,
• real,
• cosmic,
• climatic,
• possible,
• big,
• geophysical,
• unexpected,
• extreme,
• unforeseen,
• mental,
• weather,
• world,
• european,
• regional,
• horrible,
• massive,
• smaller,
• future,
• infrequent,
• biblical,
• related,
• recent,
• significant,
• economic,
• humanitarian,
• domestic,
• wide,
• past,
• unavoidable,
• specified,
• terrible,
• ecological,
• periodic,
• global,
• national,
• large,
• powerful,
• bad,
• nuclear,
• social,
• unpredictable,
• underlying,
• devastating,

Simple categories matching unexpected:

• event,
• item,
• infection,
• failure,
• situation,
• sound,
• trauma,
• change,
• place,
• occurrence,
• accident,
• disease,
• gift,
• phenomenon,
• weather,
• property,
• action,
• organs,
• losses,
• danger,
• airflow,
• incident,
• ingredient,
• way,
• cause,
• location,
• move,
• trouble,
• circumstances,
• liabilities,
• problem,
• expense,
• hazard,
• condition,
• hardship,
• findings,
• disaster,
• format,
• eventuality,
• instrument,
• response,
• expenditure,
• movement,
• challenge,
• crisis,
• outcome,
• charge,
• contaminant,
• happening,
• error,
• call,
• noise,
• force,
• emergency,
• thing,
• difficulty,
• tragedy,
• transition,
• activity,
• pathology,
• death,
• delay,
• content,
• interruption,
• reversal,
• illness,
• surprise,
• catastrophe,
• substance,
• circumstance,
• disruption,
• source,
• case,
• material,
• critter,
• result,
• disturbance,
• injury,
• use,
• area,
• constituent,
• contingency,
• bill,
• setback,
• variation,