Cliquey is a term used to describe a social group that is exclusive and selective. There are many synonyms for cliquey, including elitist, insular, exclusive, closed, snobbish, and clickish. These words all describe a group that is difficult to penetrate and tends to exclude others who are not part of the inner circle. Other synonyms for cliquey include snooty, aloof, arrogant, and pompous. All of these words convey the idea that the group in question is not very welcoming to outsiders and may even look down upon those who are not part of the group.