(rare) Catastrophic.

simple past tense and past participle of catastrophize

present participle of catastrophize

plural of catastrophizer

One who catastrophizes.

plural of catastrophism

(biology) The extinction of an organism (usually microorganisms) due to excessive RNA mutations.

(mathematics) The branch of mathematics dealing with dynamical systems which can undergo abrupt irreversible qualitative changes due to a tiny change in parameters.

(military, slang) An instance of damaging a vehicle by weaponry that renders it both unusable and unrepairable.

plural of catastrophic kill