megadisaster

Etymology

From mega- + disaster.

megadisaster means an unexpected natural or man-made catastrophe of exceptional magnitude, causing unusually severe or unprecedented damage. Lexicurio rates it Rare gem — a strength score of 82 out of 100.

noun

An unexpected natural or man-made catastrophe of exceptional magnitude, causing unusually severe or unprecedented damage.“This chapter uses case studies along with a new data set focused on Kobe's nine wards after the city's 1995 megadisaster, the earthquake known in Japanese as the Hanshin Awaji Daishinsai (the Great Hanshin—Awaji Earthquake), […]”
An unforeseen event of any kind with exceptionally unpleasant, distressing, or unfortunate results.“After the initial shock of discovering my scheduling megadisaster, I forced myself to take a deep breath.”