di·​sas·​trous | \ di-ˈza-strəs How to pronounce disastrous (audio) also -ˈsa- \

Definition of disastrous

1 : attended by or causing suffering or disaster : calamitous a disastrous flood
2 : terrible, horrendous a disastrous score

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Other Words from disastrous

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.
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Recent Examples on the Web In Anchorage, most of the help is 1,500 miles away in Seattle, and hospitals in the Pacific Northwest have been challenged by their own disastrous virus outbreak. New York Times, 3 Oct. 2021 In Anchorage, most of the help is 1,500 miles away in Seattle, and hospitals in the Pacific Northwest have been challenged by their own disastrous virus outbreak. BostonGlobe.com, 3 Oct. 2021 That’s why not having him for half their games would be disastrous. Connor Letourneau, San Francisco Chronicle, 2 Oct. 2021 Fisher is not concerned that the lack of explosiveness could lead to re-injury, a development that could be disastrous, given the state of the Colts’ offensive line. Joel A. Erickson, The Indianapolis Star, 1 Oct. 2021 When entrepreneurs, drunk on a dream, attempt to manifest success by any means necessary, the results can be disastrous. Declan Harty, Fortune, 1 Oct. 2021 Outcomes for those who age out of foster care are disastrous: 26% are parents by age 19, only 66% get high school degrees and 3% graduate college. Ashoka, Forbes, 30 Sep. 2021 But the Cardinals must play, and coach, much smarter, because against a better team the result Sunday would have been disastrous. Kent Somers, The Arizona Republic, 27 Sep. 2021 The months long delays could be disastrous for Oregon renters, who are protected from eviction after applying for rent assistance and notifying their landlords — but only for a period of 60 days. Jamie Goldberg, oregonlive, 24 Sep. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'disastrous.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of disastrous

1594, in the meaning defined at sense 1

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Time Traveler for disastrous

Time Traveler

The first known use of disastrous was in 1594

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Dictionary Entries Near disastrous

disaster strikes



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Statistics for disastrous

Last Updated

7 Oct 2021

Cite this Entry

“Disastrous.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/disastrous. Accessed 18 Oct. 2021.

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More Definitions for disastrous



English Language Learners Definition of disastrous

: causing great suffering or loss
: very bad or unfortunate


di·​sas·​trous | \ diz-ˈas-trəs How to pronounce disastrous (audio) \

Kids Definition of disastrous

1 : causing great suffering or loss
2 : very bad a disastrous performance

More from Merriam-Webster on disastrous

Nglish: Translation of disastrous for Spanish Speakers

Britannica English: Translation of disastrous for Arabic Speakers


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