名词

1. (尤指伤亡惨重的)灾难，灾祸(如地震、坠机等)
A disaster is a very bad accident such as an earthquake or a plane crash, especially one in which a lot of people are killed.

2. 非常糟糕的事;彻底的失败;不幸
If you refer to something as a disaster, you are emphasizing that you think it is extremely bad or unacceptable.

3. 灾祸;祸患
Disaster is something which has very bad consequences for you.

4. 没有什么好结果；后患无穷
If you say that something is a recipe for disaster, you mean that it is very likely to have unpleasant consequences.

1. an act that has disastrous consequences

2. an event resulting in great loss and misfortune

e.g. the whole city was affected by the irremediable calamity
the earthquake was a disaster

Synonym: calamitycatastrophetragedycataclysm

3. a state of extreme (usually irremediable) ruin and misfortune

e.g. lack of funds has resulted in a catastrophe for our school system
his policies were a disaster

Synonym: catastrophe