cliquish

/ˈkliːkɪʃ/
adjective
  1. Tending to form or associate only with a small, exclusive group; not open to outsiders.
    • The club felt very cliquish, with members only talking to their close friends.
    • A cliquish atmosphere in the office can hurt teamwork and morale.
    • She found the cliquish behavior of the chess team off-putting.
Antonyms
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