disconnected

Short definition from Wiktionary

Verb

1. 1
   simple past and past participle of disconnect

Adjective

1. 1
   That is no longer connected.
2. 2
   Feeling a lack of empathy or association with something.
3. 3
   Incoherent; disjointed.
4. 4
   That can be partitioned into two nonempty subsets which are both open and closed.