UNDERFEED Meaning of UNDERFEED in English under|feed BrE AmE ˌʌnd ə |ˈfiːd AmE \ - ə r-▷ under|fed ˈfed ◂▷ under|feeding ˈfiːd ɪŋ▷ under|feeds ˈfiːdz Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012