cliquish

adj.小集团的

有小圈子特点的；排他的；自成一派的

形容词

1. The students in that school are very cliquish, making it difficult for new students to fit in.
那所学校的学生非常排他，让新生很难融入进去。
2. She found the office environment to be quite cliquish, with certain groups excluding others.
她觉得办公室的环境很自成一派，某些小团体排斥其他人。