1. the action or process of carrying out or accomplishing an action, task, or function
2. a public presentation of a play, concert, or other form of entertainment
3. how well a person, machine, or organization does a piece of work or an activity

Examples

• The student’s performance on the test was excellent.
• We attended a wonderful performance of Romeo and Juliet last night.
• The car’s performance improved after the tune-up.
• Her performance as team leader exceeded all expectations.
• The orchestra gave a flawless performance of Beethoven’s symphony.
• The computer’s performance slowed down due to too many programs running.
• The athlete’s performance at the Olympics was disappointing.