disasterdi·sas·ter /dɪˈzɑːstədɪˈzæstər/ noun [countableC, uncountableU]1a sudden event such as a flood, storm, or accident which causes great damage or suffering100 people died in the mining disaster.
Hurricane Katrina was the worst natural disaster ever to hit New Orleans.
2a complete failureDisaster could strike if the company is outbid by many of its expected rivals for the franchise.
What is good news for shoppers can be a disaster for share- holders.