"catastrophe" in the noun sense
1. 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"
2. catastrophe, disaster
a state of extreme (usually irremediable) ruin and misfortune
"lack of funds has resulted in a catastrophe for our school system"
"his policies were a disaster"
3. catastrophe, cataclysm
a sudden violent change in the earth's surface
Source: WordNet® (An amazing lexical database of English)
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