disastrous

adjective

di·​sas·​trous di-ˈza-strəs How to pronounce disastrous (audio)
 also  -ˈsa-
1
: attended by or causing suffering or disaster : calamitous
a disastrous flood
2
: terrible, horrendous
a disastrous score
disastrously adverb

Examples of disastrous in a Sentence

Half the city was destroyed by a disastrous fire. The bad weather could have a disastrous effect on the area's tourism industry. His failure to back up the computer files had disastrous consequences. The strike was economically disastrous.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Spiers: Manchester City had a disastrous 2024-25 season and still only finished 13 points behind Liverpool. Oliver Kay, New York Times, 11 Aug. 2025 As for other imports, Doval allowed three runs and took the loss in his debut to start the disastrous weekend. Larry Fleisher, Forbes.com, 10 Aug. 2025 When confronting the failures of corporate medicine, reversing the disastrous course of the mercenary business model built on the suffering of Americans requires a revolutionary approach. David Marks, The Orlando Sentinel, 8 Aug. 2025 For young homeowners in the Midwest, a similar outcome could be disastrous. Giulia Carbonaro, MSNBC Newsweek, 8 Aug. 2025 See All Example Sentences for disastrous

Word History

First Known Use

1594, in the meaning defined at sense 1

Time Traveler
The first known use of disastrous was in 1594

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Cite this Entry

“Disastrous.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/disastrous. Accessed 20 Aug. 2025.

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