off–line 
/ˈɑ:fˈlaɪn/ adjective
/ˈɑ:fˈlaɪn/ adjective 1 : not connected to a computer, a computer network, or the Internet
▪ The system will be off-line for about an hour this afternoon. ▪ The printer is off-line. 2 : not done on a computer network or the Internet
▪ off-line activities/storage
▪ The system will be off-line for about an hour this afternoon. ▪ The printer is off-line.
▪ off-line activities/storage
