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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.

See Examples For:

Medicare offers protection against catastrophic medical expenses, but it’s very uneven.

From MarketWatch Aug. 18, 2026

The reader is asking a lot: finding a workable way to separate routine healthcare expenses from genuinely catastrophic ones.

From MarketWatch Aug. 18, 2026

"That material is normally permanently buried -- we can only infer what's there. Here, a catastrophic event essentially turned these ancient moons inside out, and we get to see what was hidden inside."

From Science Daily Aug. 14, 2026

Vulture eggs and nests are increasingly targeted too, which for such a slow-breeding species is a catastrophic and "shocking" development, says Egbe.

From BBC Aug. 12, 2026

He reasoned that the resulting chaos in TB control would reach catastrophic levels, and finally private foundations would have to step in and deal with the prisons.

From "Mountains Beyond Mountains" by Tracy Kidder and Michael French

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