disconnect

Short definition from Wiktionary

Verb

1. 1
   To sever or interrupt a connection.
2. 2
   To remove the connection between an appliance and an electrical power source.
3. 3
   Of a person, to become detached or withdrawn.

Noun

1. 1
   A break or interruption in an existing connection, continuum, or process; disconnection.
2. 2
   A switch used to isolate a portion of an electrical circuit.
3. 3
   A lack of connection or accord; a mismatch.
4. 4
   The deliberate severing of ties with family, friends, etc. considered antagonistic towards Scientology.