Meaning of comeback

come•back

1. a return to a former higher rank, popularity, position, prosperity, etc.: The ex-champion kept trying to make a comeback.
2. a clever or effective retort; rejoinder; riposte: That was a great comeback the comedian made to the hecklers.
3. a basis or cause of complaint: If you insist on buying these pointed shoes, you'll have no comeback when your toes start to hurt.