INFIRM Meaning of INFIRM in English infirm BrE AmE ɪn ˈfɜːm ˌɪn- AmE \ -ˈfɝːm▷ infirm|ly li▷ infirm|ness nəs nɪs Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012