0 used to describe members of a group of people or society who are friendly to each other, but not to people outside the group
As a result, driven back upon themselves from every side, the traitors and their families became clannish.
In most cities the members of the legal profession form a clique, and are very clannish.
These two societies seem to have the true clannish spirit, and a hatred and rivalry exist between them that remind one of the stories of the Middle Ages.
They are devoted to their children, strong in their family feeling, even to remote relationships, and clannish in their community life.
We have been wanting to have an old-time frolic, but didn't wish to seem selfish and clannish.
A distinctive style of rhythm and blues was fostered in the city's clannish and somewhat ingrown atmosphere.
Criticism of clannish northern dominance in political life and the army was expressed publicly for the first time.
The south's greater emphasis on extended kinship relations beyond the nuclear family also meant, literally, a more clannish, conservative culture.