offline

Or off-line,

[awf-lahyn, of-]

adjective

1. Computers.,  operating independently of, or disconnected from, an associated computer.

2. Radio.,  (of a network) not supplying affiliated stations with programming but allowing each station to program its own shows, usually within a specific format.

3. Television.,  of or relating to the preliminary planning and editing of a videotaped program.

4. located in or serving a place not on a regular route of a railroad, bus, or air carrier.

   an offline ticket office.

adverb

1. in or to a more private place.

   We should take this discussion offline.

offline

/ ˈɒfˌlaɪn /

adjective

1. of, relating to, or concerned with a part of a computer system not connected to the central processing unit but controlled by a computer storage device See online

2. disconnected from a computer; switched off

3. extra to or not involving a continuous sequence of operations, such as a production line

4. radio television (of processes, such as editing) not carried out on the actual transmission medium

adverb

1. while not connected to a computer or the internet

Word History and Origins

Origin of offline¹

First recorded in 1925–30

Example Sentences

Novelis said a major portion of its Oswego, N.Y., plant has been knocked offline until early next year.

Read more on Wall Street Journal

The six sites across Kyiv and the Dnipropetrovsk region connect to the power grid and deliver power if another source, such as a thermal-power plant, goes offline, helping to avoid the rolling blackouts Ukrainians have experienced for years.

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Each block can be taken offline and replaced with no impact to other cells.

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The last operating plant was taken offline in May.

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Over the Easter weekend in April, attackers managed to gain entry to Marks & Spencer's IT systems via a third-party contractor, forcing it to take some networks offline.

Read more on BBC