1. a quick reply to a question or remark (especially a witty or critical one)

Similar word(s): counter, rejoinder, replication, retort, return, riposte

Definition categories: communication, reply, response

2. return by a celebrity to some previously successful activity

Definition categories: act, reappearance, return

Sentences with comeback as a noun:

- That fad went out with the eighties, but I think it's making a comeback.

- I wish I had thought of a quick comeback for his comment.