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Synonyms

catastrophic

American  
[kat-uh-strof-ik] / ˌkæt əˈstrɒf ɪk /
Sometimes catastrophical,

adjective

  1. of the nature of a catastrophe, or disastrous event; calamitous.

    a catastrophic failure of the dam.


Other Word Forms

Etymology

Origin of catastrophic

First recorded in 1820–30; from Greek katastrophikós, equivalent to catastroph(e) ( def. ) + -ic ( def. )

Explanation

Something catastrophic is very harmful or disastrous. When the stock market crashes, it’s a catastrophic event for investors. This is a strong word for terrible, harmful, devastating things. Tornadoes, hurricanes, earthquakes, and tsunamis are catastrophic weather events. A depression is catastrophic for the economy. In sports, if the star player is injured, that's catastrophic for the team. If a parent dies, that's catastrophic for a family. Scientists worry that climate change will have a catastrophic effect on the planet. Catastrophic events are severe and horrific. Stubbing your toe isn’t catastrophic: losing your leg in an accident is.

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Vocabulary lists containing catastrophic

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The new law allows people with Bronze or Catastrophic plans — which have the highest deductibles of all ACA plans — to have HSAs for the first time.

From MarketWatch • Mar. 30, 2026

Catastrophic flooding has swept through Washington, prompting tens of thousands to evacuate after a storm dropped more than a foot of rain on parts of the western portion of the state.

From The Wall Street Journal • Dec. 12, 2025

The tax bill expands eligibility to people who use independent insurance through the Affordable Care Act, or ACA, and opt for either the Bronze or Catastrophic level of coverage.

From Barron's • Nov. 25, 2025

"Catastrophic", "disastrous", "damaging" is how some global public health experts are describing it.

From BBC • Jan. 21, 2025

That’s a long list of potential damages, even for the Catastrophic Concerns Department.

From "Merci Suárez Changes Gears" by Meg Medina