disastrous
/dɪˈzɑːstrəs/adjective
1- causing great damage灾难性的：
a disastrous fire swept through the museum.
一场火灾扫荡了博物馆。
1.1
- informal highly unsuccessful〈非正式〉非常失败的：
United made a disastrous start to the season.
联队在这个赛季一开始就遭到惨败。
派生词
disastrously
adverb词源
late 16th cent. （in the sense 'ill-fated'）： from French désastreux, from Italian disastroso, from disastro 'disaster'.