1. the text of an opera or other long vocal musical work

Examples

• Mozart composed the music while Da Ponte wrote the libretto for Don Giovanni.
• The opera’s libretto was translated from Italian into English for American audiences.
• She studied the libretto carefully before attending the performance.
• The composer collaborated closely with the poet on the libretto.
• Critics praised both the beautiful music and the witty libretto.
• The libretto tells the tragic story of star-crossed lovers.