rejoinder, retort, return, riposte, replication, comeback, counter -- (a quick reply to a question or remark (especially a witty or critical one); "it brought a sharp rejoinder from the teacher")
riposte -- ((fencing) a counterattack made immediately after successfully parrying the opponents lunge)
Overview of verb riposte
The verb riposte has 2 senses
riposte -- (make a return thrust; "his opponent riposted")