come‧back [countable usually singular]
if a person, activity, style etc makes a comeback, they become popular again after being unpopular for a long time:
The miniskirt made a comeback in the late 1980s.
a quick reply that is often clever, funny, and insulting [= retort]:
I couldn't think of a good comeback.
a way of getting payment or a reward for something wrong or unfair that has been done to you:
Check your contract carefully, or you may have no comeback if something goes wrong.