disconnected

adj

1. That is no longer connected.

   “There's no use trying to make a call on the disconnected phone.”

2. Feeling a lack of empathy or association with something.

   “I just feel so disconnected from people living on the other side of the world.”

3. Incoherent; disjointed.
4. That can be partitioned into two nonempty subsets which are both open and closed.

verb

1. (form-of, participle, past)simple past and past participle of disconnect

   “The phone company disconnected my DSL.”