Synonyms of catastrophic in English:

catastrophic


See definition of catastrophic

adjective

1‘the catastrophic consequences of a major oil spill’

SYNONYMS

disastrous, calamitous, cataclysmic, ruinous, tragic, fatal, dire, awful, terrible, dreadful, black, woeful, grievous, lamentable, miserable, unfortunate

literary direful

ANTONYMS

fortunate, beneficial