To sever or interrupt a connection.
Of a person, to become detached or withdrawn.
To remove the connection between an appliance and an electrical power source.
That is no longer connected.
There's no use trying to make a call on the disconnected phone.
Feeling a lack of empathy or association with something.
I just feel so disconnected from people living on the other side of the world.
Incoherent; disjointed.
(of a topological space) That can be partitioned into two nonempty subsets which are both open and closed.