ONE-OFF Meaning of ONE-OFF in English one-off BrE AmE ˌwʌn ˈɒf ◂ § ˌwɒn- AmE -ˈɔːf ◂ -ˈɑːf ▷ one-off|s s Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012