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\ ˈȯf-ˈlīn 
\
\Definition of off-line
: not connected to or served by a system and especially a computer or telecommunications system also : done independently of such a system off-line activities
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More Definitions for off-line
off-line
adjectiveEnglish Language Learners Definition of off-line
: not connected to a computer, a computer network, or the Internet
: not done on a computer network or the Internet
See the full definition for off-line in the English Language Learners Dictionary
off-line
adjective or adverb\ ˈȯf-ˌlīn \
Kids Definition of off-line
: not connected to or directly controlled by a computer system
off-line data storage I went off-line after sending the e-mail.
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Time Traveler for off-line
The first known use of off-line was in 1919
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