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
The Leafs’ first period was one of their most disastrous of the season.
—
Joshua Kloke, New York Times, 17 Dec. 2025
Dylan was close to reaching his limit during last week’s disastrous game night, and clearly hadn’t gotten over it by the time this episode opens.
—Caroline Framke, Vulture, 15 Dec. 2025
The moment eventually feels disastrous.
—Mosi Reeves, Rolling Stone, 15 Dec. 2025
Adding a new innovative tech feature to the mix amid regulatory scrutiny could be disastrous for Tesla.
—Charles Singh, USA Today, 13 Dec. 2025
See All Example Sentences for disastrous
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.
Joshua Kloke, New York Times, 17 Dec. 2025
Dylan was close to reaching his limit during last week’s disastrous game night, and clearly hadn’t gotten over it by the time this episode opens.
—Caroline Framke, Vulture, 15 Dec. 2025
The moment eventually feels disastrous.
—Mosi Reeves, Rolling Stone, 15 Dec. 2025
Adding a new innovative tech feature to the mix amid regulatory scrutiny could be disastrous for Tesla.
—Charles Singh, USA Today, 13 Dec. 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 19 Dec. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share