Polyglot
noun
A person who knows several languages well
Sentences
Emily was considered a polyglot as she switched easily between Russian, English, and French in the middle of her sentence.
The most languages spoken by one person is 89, this person is a polyglot.
Synonyms, Antonyms
synonyms- linguist, adapter, decoder
Antonyms- monolingual, unilingual, bi lingual
Video starts at 37 seconds
Brazilian Polyglot Speaking 5 Languages with Different Personalities