Disaster
/dɪˈzæstər/
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Definition
(noun) An unexpected natural or man-made catastrophe of substantial extent causing significant physical damage or destruction, loss of life or sometimes permanent change to the natural environment.
Sentence Examples
Slight inattention can cause a great disaster.
If the hay caught fire, it would be a real disaster.
CEFR Practice Quiz
Slight inattention can cause a great ____.