Your room is a disaster! Go clean it!
There was a big disaster after the tornado in town.
The pillow fight was disaster!
There was a tragic Disaster on September 11, 2001.
The hurricane devastated a large part of the coast, and the president declared it a disaster area
Here is an example sentence with the word "catastrophe":The Chernobyl disaster was truly a catastrophe, 350400 people had to evacuate from their homes and thousands suffered from radioactive related diseases.
This disaster did not break the city's spirit. The combined dog show and cat show was a disaster.
The recipe was a complete disaster.This is a disaster zone, please stay clear.An example of a disaster is an earthquake.
He was at the pinnacle of his career when disaster struck.
The world will end it's a disaster
Catastrophe.
The training exercise simulated a disaster.
Unmitigated is a word that describes someone or something that is not qualified to do what they are doing. A good sentence would be, he was unmitigated to replace the roof on his parent house.