1. Calamity, catastrophe, disaster, tragedy, cataclysm (noun) an event resulting in great loss and misfortune "the whole city was affected by the irremediable Calamity"; "the earthquake was a disaster" Wiktionary (4.29 / 7 votes)Rate this definition:

2. Calamity: 1 n an event resulting in great loss and misfortune “the whole city was affected by the irremediable Calamity ” Synonyms: cataclysm , catastrophe , disaster , tragedy Types: show 10 types hide 10 types act of God , force majeure , inevitable accident , unavoidable casualty , vis major a natural and unavoidable catastrophe that