Opera/ˈɑːprə/ Definition 1 of 4Pro Tip 1/3Musical Emotion Operas convey strong emotions through music, not just dialogue. The opera's climax left the audience in tears. Pro Tip 2/3Cultural Experience Seeing an opera can be a cultural event, often requiring formal attire. They dressed up for the opera's gala night. Pro Tip 3/3Language Variety Operas are frequently performed in languages like Italian, French, or German. She's learning Italian to better understand the opera.