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.

What is a definition for catastrophic?

adjective. of the nature of a catastrophe, or disastrous event; calamitous: a catastrophic failure of the dam.

How do you use catastrophically in a sentence?

The number of applications for major teaching posts has fallen catastrophically. Far from getting better, things have got catastrophically worse. We believe that it is necessary to reduce the surcharge because unemployment has increased and production fallen catastrophically.