disaster

noun4

1. •
   an event, natural or caused by people, that destroys a lot and often costs many lives

   • People would suffer disasters when society's morality degenerates.
2. •
   An unfortunate or unpleasant occurrence, especially one resulting from an accident or something going wrong.

   • Then Jill came in, And she did grin, To see Jack's paper plaster; Her mother whipt her, Across her knee, For laughing at Jack's disaster. — 1810
3. •
   An wholly unsatisfactory result caused by something going wrong or being done poorly; a flop or failure.

   • the cake was a disaster.
4. •
   A skateboard trick involving a 180-degree ollie, landing on the center of the board with the front trucks facing towards the ramp and the back trucks over the lip. The skater then leans forwards to return in the ramp.