unattached
adjective uk/ˌʌn.əˈtætʃt/ us/ˌʌn.əˈtætʃt/
(SINGLE)
未婚的，单身的;未恋爱的
not married or not having a relationship with anyone; single
He's gorgeous, he has his own house and, what's more, he's unattached. 他仪表堂堂，有自己的房子，而且还是单身。
(NOT CONNECTED)
无联系的；未连接的
not physically joined to something else
The cover of the book was stained and almost completely unattached. 书的封面弄脏了而且几乎掉了下来。
不觉得与（人，团体，理念）有任何关联的
not feeling connected to a person, group, or idea
Feeling unattached to the community is one of the risk factors for drug abuse. 与周围社区没有任何联系是造成使用毒品的风险之一。