IMMATERIAL Meaning of IMMATERIAL in English immaterial BrE AmE ˌɪm ə ˈtɪər i‿əl ◂ AmE \ -ˈtɪr-▷ immaterial|ly i▷ immaterial|ness nəs nɪs Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012