*di·sas·ter/dɪz`æstə; dɪˈzɑːstə/ n [C,U] 1 an event such as an accident, flood, or storm that causes a lot of harm 灾难，大祸: an air disaster in which 329 people died 造成 329 人丧生的一场空难事故 2 a complete failure 完全失败，彻底失败: As a career move, his latest job was a disaster. 作为一次职业变动，他最新选择的工作是一次彻底的失策。