Etymology
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catastrophic (adj.)

"pertaining to or of the nature of a catastrophe," 1824, from catastrophe + -ic. Related: Catastrophical; catastrophically.

updated on October 19, 2017

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Definitions of catastrophic from WordNet

catastrophic (adj.)
extremely harmful; bringing physical or financial ruin;
catastrophic illness
a catastrophic depression
Synonyms: ruinous
Etymologies are not definitions. From wordnet.princeton.edu, not affiliated with etymonline.