[adjective] [not gradable] - (of people or groups) able to use more than two languages for communication, or (of a thing) written or spoken in several different languagesThe individuals and groups in any multilingual democracy need to have their language rights defined.They have developed a multilingual European on-line database.Compare bilingual; monolingual.
MULTILINGUAL
Meaning of MULTILINGUAL in English
Cambridge English vocab. Кембриджский английский словарь. 2012