ON-OFF Meaning of ON-OFF in English on-off BrE AmE ˌɒn ˈɒf ◂ -ˈɔːf ◂ AmE \ ˌɑːn ˈɔːf ◂ ˌɔːn-, -ˈɑːf ◂ Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012