MUTABLE Meaning of MUTABLE in English mutab|le BrE AmE ˈmjuːt əb | ə l AmE \ ˈmjuːt̬-▷ mutab|leness ə l nəs -nɪs ▷ mutab|ly li Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012