unrelated

1. ADJ If one thing is unrelated to another, there is no connection between them. You can also say that two things are unrelated. 不相关的

My line of work is entirely unrelated to politics. 我的职业与政治完全无关。

2. ADJ If one person is unrelated to another, they are not members of the same family. You can also say that two people are unrelated. 无亲属关系的[书面]

Jimmy is adopted and thus unrelated to Beth by blood. 吉米是收养的，因此和贝丝无血缘关系。