- cat·a·clys·mi·cal·ly, adverb
- non·cat·a·clys·mal, adjective
- non·cat·a·clys·mic, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use cataclysmic in a sentence
With Gaia, astronomers have found direct evidence of cataclysmic collisions.
Finding a repeating FRB ruled out the possibility that these bursts were generated by one-off cataclysmic events, such as stellar collisions.
If they had, and tens of millions had lost health insurance, the political backlash could have been cataclysmic.
In one important area of resource extraction—marine fisheries—we can trace the ramifications of Darwinian humility as it blinded powerful people to the unique and cataclysmic scale of their ecological impact.The Human Error Darwin Inspired - Issue 90: Something Green | Aaron Hirsh | September 30, 2020 | Nautilus
The coronavirus lockdown is a potentially cataclysmic event for many players in that industry.What Happens When Everyone Stays Home to Eat? (Ep. 412) | Stephen J. Dubner | April 9, 2020 | Freakonomics