UK:*UK and possibly other pronunciationsUK and possibly other pronunciations/dɪˈzɑːstrəs/, /dɪˈzæstrəs/

US:USA pronuncation: IPAUSA pronuncation: IPA/dɪˈzæstrəs/

US:USA pronunciation: respellingUSA pronunciation: respelling(di zastrəs, -zästrəs)

WordReference Random House Learner's Dictionary of American English © 2020
dis•ast•rous /dɪˈzæstrəs/USA pronunciation   adj. 
  1. of or relating to a disaster:a disastrous earthquake.
  2. performed or done very poorly;
    failing badly:He gave a disastrous presentation of his proposal.
dis•as•trous•ly, adv. See -astro-.

WordReference Random House Unabridged Dictionary of American English © 2020
dis•as•trous  (di zastrəs, -zästrəs),USA pronunciation adj. 
  1. causing great distress or injury;
    very unfortunate;
    calamitous:The rain and cold proved disastrous to his health.
  2. [Archaic.]foreboding disaster.
dis•astrous•ly, adv. 
dis•astrous•ness, n. 
  • Middle French desastreux, Italian disastroso. See disaster, -ous
  • 1580–90

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