MERCIFUL Meaning of MERCIFUL in English merciful BrE AmE ˈmɜːs ɪ f ə l -ə-, -fʊl AmE \ ˈmɝːs-▷ merciful|ly ‿i▷ merciful|ness nəs nɪs Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012