SUPERCILIOUS Meaning of SUPERCILIOUS in English supercilious BrE AmE ˌsuːp ə ˈsɪl i‿əs ◂ ˌsjuːp- AmE \ ˌ• ə r-▷ supercilious|ly li▷ supercilious|ness nəs nɪs Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012