UNDERRUN Meaning of UNDERRUN in English under|run BrE AmE ˌʌnd ə |ˈrʌn AmE \ - ə r-▷ under|ran ˈræn▷ under|running ˈrʌn ɪŋ▷ under|runs ˈrʌnz Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012