Similar word to catastrophe:

accident, adversity, affliction, alluvion, bad luck, bad news, blow, calamity, casualty, cataclysm, contretemps, crash, culmination, curtains, debacle, denouement, desolation, devastation, disaster, emergency, end, failure, fatality, fiasco, finale, grief, hardship, havoc, ill, infliction, meltdown, misadventure, mischance, misery, misfortune, mishap, reverse, scourge, stroke, termination, the worst, tragedy, trial, trouble, upshot, waterloo, wreck


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