| 1. | a first public appearance on a stage, on television, etc. |
| 2. | the first appearance of something, as a new product. |
| 3. | (of a young woman) a formal introduction and entrance into society, as at an annual ball. |
| 4. | the beginning of a profession, career, etc. |
| 5. | to make a debut, as in society or in a performing art: She decided to debut with several other violinists. |
| 6. | to appear for the first time, as on the market: A new product will debut next month. |
| 7. | to perform (something) for the first time before an audience: He didn't know when the orchestra would debut his new symphony. |
| 8. | to place on the market for the first time; introduce. |
| 9. | of, pertaining to, or constituting a first appearance: a debut performance; a debut record album. |