noun \di-ˈzas-tər, -ˈsas-\

: something (such as a flood, tornado, fire, plane crash, etc.) that happens suddenly and causes much suffering or loss to many people

: something that has a very bad effect or result

: a complete or terrible failure

Full Definition of DISASTER

obsolete :  an unfavorable aspect of a planet or star
:  a sudden calamitous event bringing great damage, loss, or destruction; broadly :  a sudden or great misfortune or failure <the party was a disaster>

Examples of DISASTER

  1. The program examined several bridge failures and other engineering disasters.
  2. The new regulations could be a disaster for smaller businesses.
  3. They're trying to find a way to avoid disaster.
  4. The dinner party was a complete disaster.

Origin of DISASTER

Middle French & Old Italian; Middle French desastre, from Old Italian disastro, from dis- (from Latin) + astro star, from Latin astrum — more at astral
First Known Use: 1568


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