Translation guide
How to express 'disconnect' in Japanese depends on what is being disconnected: physical objects, phone calls, internet, or abstract relationships.
To separate two connected objects, unplug a cable, or detach something.
General verb for detaching or removing something that is attached or connected.
Please disconnect the cable.
To pull out a plug or cord from a socket.
Please unplug it.
To sever or cut off a connection, often used for mechanical parts or abstract ties.
I disconnected the hose from the engine.
To hang up or terminate a telephone conversation.
To be cut off from an online service or network.
Formal/technical term for disconnecting a network or line.
The internet connection has been disconnected.
Common casual way to say the connection dropped.
The Wi-Fi connection often disconnects.
Specifically to log out or disconnect from an account or session.
Please disconnect from your account.
To sever ties, disassociate, or create emotional distance.
外す is for detaching something attached (like a cable from a port), 抜く is for pulling a plug out of a socket, and 切断する is more technical for cutting off a connection (like internet or power).
disconnect a USB
disconnect the line
切断する sounds overly technical for ending a phone call. Use 切る instead.
hang up the phone
The call got disconnected when I entered the tunnel.
I decided to disconnect from him for a while.
He disconnected from his past and started a new life.