disastrous
adjective
di·sas·trous
di-ˈza-strəs 
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
And yes, it must also be said that domestic and feral cats have been disastrous to the world's biodiversity, having contributed to the extinction of 40 bird and 21 mammal species – 26% of the extinctions in these groups – since the 1600s.
—
New Atlas, 14 July 2025
Hunt was the site of particularly disastrous flooding early in the morning on July 4, with officials saying the river swelled more than 20 feet in less than an hour and ultimately killed at least 103 people countywide, including dozens of children at a riverside summer camp called Camp Mystic.
—July 13, CBS News, 13 July 2025
That was postponed after last week’s disastrous flooding.
—Curt Devine, CNN Money, 11 July 2025
What works for a 10-person startup could be disastrous for a global enterprise.
—Aytekin Tank, Forbes.com, 10 July 2025
See All Example Sentences for disastrous
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New Atlas, 14 July 2025
Hunt was the site of particularly disastrous flooding early in the morning on July 4, with officials saying the river swelled more than 20 feet in less than an hour and ultimately killed at least 103 people countywide, including dozens of children at a riverside summer camp called Camp Mystic.
—July 13, CBS News, 13 July 2025
That was postponed after last week’s disastrous flooding.
—Curt Devine, CNN Money, 11 July 2025
What works for a 10-person startup could be disastrous for a global enterprise.
—Aytekin Tank, Forbes.com, 10 July 2025
See All Example Sentences for disastrous
Cite this Entry
“Disastrous.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/disastrous. Accessed 29 Jul. 2025.
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