offline UK /ɒfˈlaɪn/US /ɔfˈlaɪn/adjective 2adverb 2verb 2forms 3 adjective2 •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.I saved the web pages so I could read them later offline.He only had the option to play offline games because there was no Wi-Fi. •Happening in the physical world (the real world) as opposed to on the internet. adverb2 •While offline; with an offline system.The 2000 also emulates Diablo, Qume and NEC letter-quality printers, and has a large enough buffer memory to operate off line from the host computer for an hour. — 1982 •(slang) Outside the current meeting, in a more private setting.Offer to discuss the topic offline or table the discussion until things cool down. — 2009 verb2 •To take (a system, etc.) offline; to demote from an active or online state.Traditionally, you fixed the problem by offlining the disk and re-creating the disk's extents on a different disk using redundant extent copies and then dropping the failed disk. — 2008 •To raid another player's base while that player is not currently playing. formsofflined · offlining · offlines