What is another word for caustic critic?
Pronunciation: [kˈɔːstɪk kɹˈɪtɪk] (IPA) 
A caustic critic is someone who tends to make harsh and scathing remarks about others. However, there are several other synonyms that can be used to describe such a person. These include the following: acerbic commentator, biting reviewer, cutting appraiser, sarcastic analyst, caustic evaluator, sharp judge, contemptuous assessor, disparaging commentator, cynical analyst, and vitriolic critic. While these words share some similarities with the term caustic critic, they also bring their own nuances, giving a more nuanced characterization to the individual in question. Regardless of the term used, it is always essential to be conscious of the tone we use to evaluate others' ideas and opinions.
