Clique (noun)

1. A small, exclusive group of people who share a common interest or purpose, and who are often seen as clannish or snobbish.
2. A group of people who associate closely with one another, often to the exclusion of others.

Origin:

From french clique ("a clique"), from old french clique ("a clique"), from cliquer ("to clink"), from old french cliquer, from medieval latin cliccare, from a germanic source. the term clique was first used in the 19th century to refer to a small, exclusive group of people who share a common interest or purpose.

Examples:

1. He was not part of the clique at school.
2. The clique of girls were always together.
3. The clique excluded anyone who wasn't part of the group.
4. The clique had a strong sense of loyalty among its members.
5. The clique was known for its exclusive nature.