Outcast/ˈaʊtkæst/ Definition 1 of 2Pro Tip 1/3Feeling Alienated Reflects intense isolation from group activities or friendships. After she spread those rumors, she became an outcast at school. Pro Tip 2/3Negative Emotional Charge Carries a strong negative emotion, often implying sadness or loneliness. Becoming an outcast was a painful experience for him. Pro Tip 3/3Social Rejection Commonly used when someone is actively rejected or ignored by peers. Once popular, he's now an outcast and eats lunch alone.