The word "retorter" refers to a person who responds to criticism or an insult with a quick, witty, or cutting remark. Some synonyms for "retorter" include the words "rejoinder", "riposte", "comeback", "quipster", "wit", "humorist", and "satirist". Each of these words conveys a different nuance, but all describe someone who is skilled at answering criticisms or insults in a clever and humorous way. Whether it's a playful quip, a biting comeback, or a satirical observation, a retorter is someone who can turn almost any situation into a source of amusement or enlightenment.