Possibly witty retort (7)

I believe the answer is:

riposte

(Other definitions for riposte that I've seen before include "Rejoinder" , "Repartee; quick thrust (fencing)" , "Quick answer" , "Rejoin" , "Reply, response" .)

I've seen this clue in The Guardian.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.