cataclysmal

comparative more cataclysmal · superlative most cataclysmal

1. As noisy or destructive as a cataclysm.

   Perhaps she’s so deaf that nothing short of a cataclysmal uproar will reach her auditory nerves.

   1897, Richard Marsh, The Beetle

   1 more example

   That they have been exterminated by exceptional cataclysmal changes of the earth's surface has not been proved.

   1861, Richard Owen, Palaeontology Or A Systematic Summary of Extinct Animals and Their Geological Relations

   Synonyms: cataclysmic