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.
uk â /ËÉªn.tÉËfÉªÉr/ us â /ËÉªn.tÌ¬ÉËfÉªr/. B2 to involve yourself in a situation when your involvement is not wanted or is not helpful: It's their problem and I'm not going to interfere. I'd never interfere between (US with) a husband and wife. Interfering in other people's relationships is always a mistake.