INDISTINGUISHABLE Meaning of INDISTINGUISHABLE in English indistinguishab|le BrE AmE ˌɪn dɪ ˈstɪŋ ɡwɪʃ əb | ə l ◂ ˌ•də- ▷ indistinguishab|ly li Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012