1. A rejoinder or quick-witted remark.
2. (In Sports) A return to contention, especially by a player or team that had been losing.
3. When people, organizations, companies, or sports teams overcome difficulties and become successful again, they make a comeback.
4. When a condition, problem, situation, or activity returns or greatly increases, it makes a comeback
5. a fashion or fad becomes popular again, it makes a comeback.