From Longman Business Dictionaryoff-lineˌoff-ˈline adjectiveCOMPUTING1not directly connected to a computer network or the Internetan off-line terminaloff-line storage of data2if computer equipment is off-line, it is not directly connected to a computerThe printer was off-line all morning. → compare ON-LINE —off-line adverbYou can work off-line if you choose.
