something very bad that happens and causes a lot of damage or kills a lot of peopleA series of disasters forced the company to close down.
a natural disaster: Protect your property from natural disasters such as flooding.
disaster strikes (=a disaster happens): Disaster struck when the plane’s engine exploded shortly after take-off.
end in disaster: The expedition ended in disaster, with three people being killed.
be a disaster for/spell disaster for (=have a very bad effect on): More bad weather would spell disaster for this year’s wheat crop.