Meaning
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.
Etymology
Origin: Unknown
From off- + line.
Synonyms & Antonyms
Synonyms
IRLmeatspace
Antonyms
NYT Puzzle Appearances
Accepted in 9 recorded puzzles: