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in-group

American  
[in-groop] / ˈɪnˌgrup /
Or ingroup

noun

Sociology.
  1. a group of people sharing similar interests and attitudes, producing feelings of solidarity, community, and exclusivity.


in-group British  

noun

  1. sociol a highly cohesive and relatively closed social group characterized by the preferential treatment reserved for its members and the strength of loyalty between them Compare out-group

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of in-group

First recorded in 1905–10; in- 1 + group

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Their goodwill is awkward, as it must be when an in-group member tries to commiserate with “the other,” but it is, nonetheless, sympathy, which is to say concern.

From The Wall Street Journal

This suggests that rivalry strengthens in-group bonds and reinforces social identity.

From Science Daily

Scapegoats are integral for a cult; they promote social cohesion, both by binding the in-group together over a common enemy, and by widening the gulf between members and outsiders.

From Salon

So if you decide to exclude someone from a paradigm, you have to change the rules and you have to define who is in the in-group and who is in the out-group.

From Slate

"So, unless we do something about stereotypical judgments and in-group bias, and the many other ways in which unfairness can undermine our workplaces, meritocracy indeed remains a myth."

From Salon