incestuous

形容词 incestuous:

1. resembling incest as by excessive intimacy
2. relating to or involving incest

1. Theatre people are a rather incestuous group, I find.
   我觉得戏剧工作者的小圈子针插不进。

in.ces.tu.ous

adj.（形容词）
Of, involving, or suggestive of incest.
乱伦的：乱伦的、与乱伦有关的或有乱伦迹象的
Having committed incest.
犯乱伦罪的
Improperly intimate or interconnected:
不合适地亲近或互相联系的：
例句：
.Press-politics relations are notoriously incestuous.(Boston Globe)
.政界与新闻界之间臭名昭著的亲密关系.(波士顿环球)

【引伸】
inces.tuously
adv.（副词）
inces.tuousness
n.（名词）