Pronunciation: (klub'ē),[key] —adj.,-bi•er, -bi•est. 1. characteristic of a club: The room had a warm, clubby atmosphere. 2. very friendly; intimate; chummy: He became clubby with the bartender, who slipped him many free drinks. 3. socially exclusive; cliquish: Their group is very clubby and unfriendly. 4. inclined to join clubs.