Bilingualism

/ˌbaɪlɪŋˈɡwɪlɪzəm/

Synonyms

  • dual language proficiency
  • multilingualism
  • polyglotism

Slang Meanings

Being fluent in two languages.
She is so bilingual she can order food in English or Spanish without breaking a sweat.
Switching between languages casually.
They often engage in bilingual banter, mixing Spanish and English together.