calamitous
adjective
ca·lam·i·tous
kə-ˈla-mə-təs 
: being, causing, or accompanied by calamity
calamitous events
a calamitous earthquake
calamitously
adverb
Examples of calamitous in a Sentence
the calamitous state of the nation's economy
a calamitous decision to sell their products online exclusively ruined the business
Recent Examples on the Web
In the three previous visits by Brighton, United have scored via a calamitous Alexis Mac Allister own goal at a corner, a Hannibal Mejbri shot from range, and a Fernandes penalty after Baleba brought down Joshua Zirkzee.
—
Laurie Whitwell, New York Times, 23 Oct. 2025
Biden’s age became an issue last year after a calamitous debate showing.
—Philip Elliott, Time, 21 Oct. 2025
Schitt’s Creek made the calamitous Rose family famous, and their escapades can now be found in one place in Canada.
—Jesse Whittock, Deadline, 20 Oct. 2025
Other reforms introduced under Roosevelt included the founding of the Securities and Exchange Commission, which had a mandate to protect investors and maintain fair and orderly markets, and the federal insurance of bank deposits, which ended a calamitous wave of bank runs.
—John Cassidy, New Yorker, 13 Oct. 2025
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Laurie Whitwell, New York Times, 23 Oct. 2025
Biden’s age became an issue last year after a calamitous debate showing.
—Philip Elliott, Time, 21 Oct. 2025
Schitt’s Creek made the calamitous Rose family famous, and their escapades can now be found in one place in Canada.
—Jesse Whittock, Deadline, 20 Oct. 2025
Other reforms introduced under Roosevelt included the founding of the Securities and Exchange Commission, which had a mandate to protect investors and maintain fair and orderly markets, and the federal insurance of bank deposits, which ended a calamitous wave of bank runs.
—John Cassidy, New Yorker, 13 Oct. 2025
See All Example Sentences for calamitous
Cite this Entry
“Calamitous.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/calamitous. Accessed 4 Nov. 2025.
Copy CitationKids Definition
calamitous
adjective
ca·lam·i·tous
kə-ˈlam-ət-əs
: causing or accompanied by calamity
calamitous events
calamitously
adverb
calamitousness
noun
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