catastrophic

[ kat-uh-strof-ik ]
/ ˌkæt əˈstrɒf ɪk /

adjective

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

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What does “vacillate” mean?
Sometimes cat·a·stroph·i·cal, ca·tas·tro·phal [kuh-tas-truh-fuhl] /kəˈtæs trə fəl/ .

OTHER WORDS FROM catastrophic

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for catastrophic