FLATTER Meaning of FLATTER in English flatter BrE AmE ˈflæt ə AmE ˈflæt̬ ə r▷ flatter|ed d▷ flattering/ly ˈflæt‿ ə r ɪŋ /li AmE ˈflæt̬-▷ flatter|s z Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012