Bilingual (adjective)

1. Able to speak or write in two languages fluently.
2. Describing something that is in two languages or translated into two languages.

Origin:

The word bilingual comes from the latin word "bi" meaning two and "lingua" meaning language, so bilingual means having or using two languages. .

Examples:

1. She is bilingual and speaks both English and Spanish fluently.
2. The school is offering bilingual education classes for Spanish-speaking students.
3. The city is advertising for a bilingual customer service representative.
4. The book is available in both English and Spanish and is bilingual.
5. The website is bilingual and can be viewed in both English and Spanish.