Synonyms of disastrous in English:

disastrous


See US English definition of disastrous

See UK English definition of disastrous

See Spanish definition of desastroso

adjective

1‘a disastrous fire’

SYNONYMS
catastrophic, calamitous, cataclysmic, tragic
devastating, ravaging, ruinous, harmful, injurious, detrimental, adverse
dire, terrible, awful, shocking, appalling, dreadful, grievous, horrible, black, dark, bad
unfortunate, unlucky, ill-fated, ill-starred, inauspicious, unfavourable
ANTONYMS

fortunate, successful, beneficial