(a.) of or pertaining to a clan; closely united, like a clan; disposed to associate only with one's clan or clique; actuated by the traditions, prejudices, habits, etc., of a clan.

arrogant cliquey cliquish contemptuous contumelious disdainful elect ethnic ethnocentric exclusive family genetic gentile gentilic haughty lineal national phyletic phylogenetic racial scornful select selective sneering sniffy snobbish snobby snooty snotty supercilious toploftical toplofty totemic tribal withering