disaster
noun [ C or U ]
uk/dɪˈzɑːstər/ usa sudden event that causes a lot of damage, such as a very bad fire, storm, or accident:
Insurance companies often charge extra to cover floods, earthquakes, or other natural disasters.
an extremely bad situation that can destroy a company’s plans, success, or ability to operate:
mean/spell disaster for sb A crash in real estate prices would mean financial disaster for the housing lenders.
The $7.48 billion takeover quickly turned into a major disaster.