offline

Not connected to a central computer or computer network.

Not accessible via a computer or computer network.

Not in operation or production, especially as part of a supply chain.

Conducted in private or without the knowledge of others.

Of a system, currently not connected (generally electrically) to a larger network. For example, a power plant which is not connected to the grid, or a computer which is not connected to the Internet or to any other communications service.

Happening in the physical world (the real world) as opposed to on the internet.

While offline; with an offline system.

Outside the current meeting, in a more private setting.