[adjective] [not gradable] - (of a person) able to use two languages for communication, or (of a thing) using or involving two languagesShe works as a bilingual secretary for an insurance company.They have just published a major new edition of their French-English bilingual dictionary.Compare monolingual; multilingual; trilingual.
BILINGUAL
Meaning of BILINGUAL in English
Cambridge English vocab. Кембриджский английский словарь. 2012