ADJ-GRADED 拉帮结派的;小集团的;排外的 If you describe a group of people as clannish, you mean that they often spend time together and may seem unfriendly to other people who are not in the group. 拉帮结派的;小集团的;排外的 [informal]
They were a clannish lot, not given to welcoming strangers.