Synonyms of the word

multilingual

• adj. Pertaining to multiple languages.
• adj. (of a person) able to communicate fluently in multiple languages.
• n. A polyglot.

bilingual

• adj. Having the ability to speak two languages.
• adj. Spoken or written in two different languages.
• adj. Characterized by the use or presence of two languages.
• n. A person who is able to use two languages.

polyglot

• adj. Versed in, or speaking, many languages.
• adj. Containing, or made up of, several languages.
• adj. Comprising various linguistic groups.
• n. One who masters, notably speaks, several languages.
• n. A publication containing several versions of the same text, or the same subject matter in several languages;…
• n. A mixture of langages and/or nomenclatures.
• n. (programming) A program written in multiple programming languages.

trilingual

• adj. Able to read or speak three languages.
• adj. Expressed or written in three languages.
• n. A trilingual person.