THICKHEADED Meaning of THICKHEADED in English thickheaded BrE AmE ˌθɪk ˈhed ɪd ◂ -əd ˈ•ˌ•• ▷ thickheaded|ly li▷ thickheaded|ness nəs nɪs Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012