• synonyms


or off-line, off line

[awf-lahyn, of-]
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  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.
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  1. in or to a more private place: We should take this discussion offline.
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Compare online.

Origin of offline

First recorded in 1925–30
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for offline



  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 deviceSee 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
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  1. while not connected to a computer or the internet
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012