Question

definition
to respond critically or sarcastically

Explanation:

It seems this is a vocabulary - related question, probably asking for the word that has the definition "To respond critically or sarcastically". A common word with this meaning is "retort".

The definition "To respond critically or sarcastically" matches the meaning of the word "retort", which means to reply in a sharp or critical (often sarcastic) way.

Answer:

retort