FIERCE Meaning of FIERCE in English fierce BrE AmE fɪəs AmE fɪ ə rs▷ fiercely ˈfɪəs li AmE ˈfɪrs-▷ fierceness ˈfɪəsnɪs -nəs AmE ˈfɪrs-▷ fiercer ˈfɪəs ə AmE ˈfɪrs ə r▷ fiercest ˈfɪəs ɪst -əst AmE \ ˈfɪrs- Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012