variants
or cataclysmic
1
as in disastrous
bringing about ruin or misfortune
a cataclysmal decision to plunge the nation into war
Synonyms & Similar Words
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Antonyms & Near Antonyms
2
as in devastating
causing or tending to cause destruction
a cataclysmal landslide that virtually wiped out the village
Synonyms & Similar Words
Antonyms & Near Antonyms
3
as in turbulent
marked by sudden or violent disturbance
the French Revolution was one of the great cataclysmal events in modern history
Synonyms & Similar Words
Antonyms & Near Antonyms
Example Sentences
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Recent Examples of cataclysmal
Amend and extend The situation in private credit has, so far, been a sort of slow-moving train wreck as opposed to a cataclysmic derailing.
—
Tobias Burns, CNBC, 28 May 2026
That world ended in cataclysmic war, the one that claimed the life of Alfred Louis Webb and so many others.
—Literary Hub, 27 May 2026
While the Zizian ideology is extremist in nature, a less extreme version of the same fears surrounding the cataclysmic potential of AI are a common concern among AI alignment experts, machine-learning engineers, and even frontier AI companies.
—Daniel Boguslaw, ArsTechnica, 27 May 2026
The relative inertia in the January transfer market was very nearly a cataclysmic mistake, as was the installation of Igor Tudor.
—Sebastian Stafford-Bloor, New York Times, 25 May 2026
Characteristically, Czernowin’s control of timbre, texture, and structure yields a kind of cataclysmic grandeur.
—Alex Ross, New Yorker, 18 May 2026
By early June, ash and lava were escaping Pinatubo’s flanks, and an evacuation was ordered, just a few days before the cataclysmic hammer fell.
—Quanta Magazine, 8 May 2026
The finale did keep the Grey’s tradition by kicking things off with a cataclysmic event when a major Seattle bridge collapsed.
—Nellie Andreeva, Deadline, 7 May 2026
Everyone experiences moments of existential despair, when one bad day or cataclysmic event sends you into a headspace that’s some combination of panic and self-reflection.
—Scott Tobias, Vulture, 3 May 2026
Tobias Burns, CNBC, 28 May 2026
That world ended in cataclysmic war, the one that claimed the life of Alfred Louis Webb and so many others.
—Literary Hub, 27 May 2026
While the Zizian ideology is extremist in nature, a less extreme version of the same fears surrounding the cataclysmic potential of AI are a common concern among AI alignment experts, machine-learning engineers, and even frontier AI companies.
—Daniel Boguslaw, ArsTechnica, 27 May 2026
The relative inertia in the January transfer market was very nearly a cataclysmic mistake, as was the installation of Igor Tudor.
—Sebastian Stafford-Bloor, New York Times, 25 May 2026
Characteristically, Czernowin’s control of timbre, texture, and structure yields a kind of cataclysmic grandeur.
—Alex Ross, New Yorker, 18 May 2026
By early June, ash and lava were escaping Pinatubo’s flanks, and an evacuation was ordered, just a few days before the cataclysmic hammer fell.
—Quanta Magazine, 8 May 2026
The finale did keep the Grey’s tradition by kicking things off with a cataclysmic event when a major Seattle bridge collapsed.
—Nellie Andreeva, Deadline, 7 May 2026
Everyone experiences moments of existential despair, when one bad day or cataclysmic event sends you into a headspace that’s some combination of panic and self-reflection.
—Scott Tobias, Vulture, 3 May 2026
Recent Examples of Synonyms for cataclysmal
Adjective
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The study, published on May 31, highlights an ongoing trend toward wildfires becoming increasingly extreme, costly, and disastrous — both economically and in lives lost.—
Doyle Rice,
USA Today,
31 May 2026
-
Leigh Ann, boy, so striking to hear the former first lady talk about that disastrous debate performance.—
NBC news,
NBC news,
31 May 2026
Adjective
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Femi was coming off a devastating loss against Brock Lesnar.—
Ryan Gaydos,
FOXNews.com,
2 June 2026
-
Fewer, but more ‘devastating’ blazes That the world suffered fewer acres torched by wildfires in 2025 likely comes as little relief to the countries and cities that battled the infernos last year.—
Tristan Bove,
Fortune,
1 June 2026
Adjective
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Mourinho’s three-year reign was a turbulent era, played out along toxic battle-lines against one of the greatest sides in football history in Pep Guardiola’s Barcelona.—
Guillermo Rai,
New York Times,
29 May 2026
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The controversy offered a preview of what could be a turbulent Senate race in Kansas.—
Kacen Bayless,
Kansas City Star,
29 May 2026
Adjective
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Iyo Sky, Roxanne Perez, Giulia and Lash Legend squared off in a fatal four-way match with a spot in the semifinals waiting for the winner.—
Ryan Gaydos,
FOXNews.com,
2 June 2026
-
Underscoring the stakes for Louisville residents is the March fatal shooting of a 28-year-old woman named Katelyn Hall, who was experiencing a mental health crisis when police gunned her down in her own apartment.—
Topher Sanders,
ProPublica,
2 June 2026
Adjective
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The timing is particularly unfortunate given the matchup awaiting the Knicks.—
Kristian Winfield,
New York Daily News,
29 May 2026
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While loud sounds won’t cause flat cakes, there are reasons for this unfortunate outcome.—
BestReviews,
Chicago Tribune,
29 May 2026
Adjective
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The Bawah Anambas Foundation works with local communities to combat destructive fishing techniques, focusing on reforestation and offering skills training.—
Condé Nast,
Condé Nast Traveler,
3 June 2026
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In distributing these weak linkages throughout a material like polystyrene, the mechanophores split in two as a crack begins to propagate, successfully redirecting the crack and dissipating the destructive energy.—
Mrigakshi Dixit,
Interesting Engineering,
3 June 2026
Adjective
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In 2009, 36-year-old Diane Schuler drove her minivan in the wrong direction on the Taconic State Parkway, resulting in a catastrophic collision with an SUV that killed herself, her daughter, three nieces, and three people in the other vehicle.—
James Mercadante,
Entertainment Weekly,
4 June 2026
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Anywhere some of those choices turn out to be catastrophic mistakes.—
Thomas Lake,
AJC.com,
4 June 2026
Cite this Entry
“Cataclysmal.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/cataclysmal. Accessed 5 Jun. 2026.
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