Some common reasons include: 1  a serious accident â such as a road accident, a severe head injury, a serious fall or severe burns. 2  a serious short-term condition â such as a heart attack or a stroke. 3  a serious infection â such as sepsis (blood poisoning) or severe pneumonia.
The definition of unnecessary is not needed. An example of something unnecessary is a bowl of sugar for cooking meatballs.
The definition of burdensome is something that is hard to deal with, or that places too great of expectations. Providing round-the-clock care to your neighbor who you don't like very much is an example of a burdensome task. YourDictionary definition and usage example.