Definition: Nonintroversion, also known as introversion, is a personality trait that refers to an individual's tendency towards being more reserved or introverted compared to those who are more outgoing and extroverted. It is characterized by low levels of openness to experience and high levels of introversion, which can manifest through behaviors such as avoiding social situations, preferring solitary activities, and having difficulty expressing feelings. Nonintroversion can be a sign of an individual's sensitivity to the world around them or their own internal