1. able to speak three languages fluently
2. written or expressed in three languages

1. a person who can speak three languages fluently

Examples

• She is trilingual, speaking English, Spanish, and French with equal ease.
• The trilingual dictionary includes definitions in German, Italian, and Portuguese.
• Growing up in Switzerland made him trilingual from an early age.
• The company’s trilingual website serves customers across multiple countries.
• As a trilingual, she works as an interpreter at international conferences.
• The trilingual signs at the airport help travelers from different countries.
• Being trilingual gives her a significant advantage in the global job market.