Clannish
['klænɪʃ]
Definition
(adj.) befitting or characteristic of those who incline to social exclusiveness and who rebuff the advances of people considered inferior .
(adj.) characteristic of a clan especially in being unified; 'clannish loyalty' .
Inputed by Antonia--From WordNet
Definition
(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.
Typist: Stanley