"Stupidity" is a word used to describe people who do not understand the value of their lives. The word "stupid" is often used to refer to people who don't understand the meaning of their own lives.

"Stupid" can only be defined as someone who does not understand his or her own life, says the word "sadness" The word'stupid' comes from the word'sad' which means 'to be sad' or 'to suffer'