Meaning of DISASTER in English

■ noun

1》 a sudden accident or a natural catastrophe that causes great damage or loss of life.

2》 an event or fact leading to ruin or failure.

↘ informal a complete failure: my perm is a total ~.


C16: from Ital. disastro 'ill-starred event', based on L. astrum 'star'.

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.