disastrous

adjective

di·​sas·​trous di-ˈza-strəs How to pronounce disastrous (audio)
also -ˈsa-
Synonyms of disastrousnext
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.
To be clear, after the disastrous Juwan Howard run ended, administrators made sure May was armed with enough money to not have to shop in the bargain bin of the portal. Dana O’Neil, CNN Money, 7 Apr. 2026 Even though the number of fires is small compared to the roughly 100,000 flights every day around the globe, the potential consequences of a battery fire can be disastrous. ABC News, 7 Apr. 2026 The agency said in a series of posts on X that ‘‘each illegally entered the United States during the Biden administration's disastrous open border policy. Michael Dorgan, FOXNews.com, 7 Apr. 2026 Los Angeles was idle Monday after a loss to the Mavericks, which ended a disastrous weekend defined by injuries to Luka Doncic and Austin Reaves. Bennett Durando, Denver Post, 7 Apr. 2026 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 9 Apr. 2026.

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