noun.
A return (e.g. to popularity, success, etc.).
noun.
A retort or answer.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
return by a celebrity to some previously successful activity
noun.
a quick reply to a question or remark (especially a witty or critical one)
Word Usage
"(Soundbite of song, "Get Behind the Mule") MILES: I've never liked the term comeback because after a while, big players can never come back to what they were."