Personality What is personality? Personality is defined as a ingrained and relatively enduring patterns of thoughts, feeling and behavior. How can anybody be certain how his or her personality is going to turn out. I think people go through many different types an stages of personality throughout life. I think there no way to judge a personality, and that's if you go by what researchers go by. Do researchers gather all the people in the world and judge the way they act, think, and go through what they do? I think everybody chooses their own personality, what I mean is there personality goes through what prson want it to be. People change their personality many times, at different times