- calamity, catastrophe, disaster, tragedy, cataclysm - an event resulting in great loss and misfortune; "the whole city was affected by the irremediable calamity"; "the earthquake was a disaster"
--1 is a kind of misfortune, bad luck
--1 has particulars:act of God, force majeure, vis major, inevitable accident, unavoidable casualty; apocalypse; famine; kiss of death; meltdown; plague; visitation