clubbish
/ˈklʌbɪʃ/
adjective
- Having the characteristics of a private club; exclusive, sociable, or cliquey.
- His clubbish manner made it hard for new employees to feel included.
- The restaurant had a clubbish feel, with dark wood paneling and a members-only lounge.
- The atmosphere at the golf course was very clubbish, with members only talking to each other.