1. Not on a regular route of a transportation system
   "an off-line ticket office" 
2. Not connected to a computer network
   "off-line resources"

Antonym: on-line

Encyclopedia: Off-line

• Savannah River
• savant
• Savara
• savarin
• save
• save up
• save-all
• saved
• saveloy
• saver
• savin
• saving
• saving grace
• savings
• savings account
• savings account trust
• savings and loan
• savings and loan association
• savings bank
• savings bank trust
• savings bond
• Savinien Cyrano de Bergerac
• savior
• saviour
• Savitar