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in–group

1 ENTRIES FOUND:
in–group /ˈɪnˌgruːp/ noun
plural in–groups
in–group
/ˈɪnˌgruːp/
noun
plural in–groups
Britannica Dictionary definition of IN–GROUP
[count] usually disapproving
: a small group of people who share a particular interest or activity and who do not allow other people to join their group