outgroup

/ˈaʊtɡruːp/
noun
  1. A group of people that someone does not belong to, often seen as different or separate from one's own group.
    • Feeling like part of an outgroup can make a person feel lonely or left out.
    • The team saw the rival school as an outgroup and rarely interacted with its students.
    • In sociology class, we learned how people often treat members of an outgroup with suspicion.
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What does "outgroup" mean? | whatsthatwordmean | whatsthatwordmean