catastrophic

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.

Definitions of catastrophic
  1. adjective
    extremely harmful; bringing physical or financial ruin
    “a catastrophic depression”
    catastrophic illness”
    synonyms: ruinous
    harmful
    causing or capable of causing harm
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