1. a character played by an actor in a play, movie, or television show
2. the function or position that someone or something has in a particular situation
3. the degree to which someone or something is involved in a situation and able to influence it

Examples

• She played the role of Lady Macbeth in the school production.
• The actor was famous for his role in the superhero movie.
• What is your role in this project?
• Parents play an important role in their children’s education.
• The government’s role in healthcare is often debated.
• Technology plays a growing role in modern communication.
• He had no role in planning the surprise party.