Vituperators are individuals who use abusive, critical, or derogatory language towards others. Some synonyms for this word include abusers, disparagers, detractors, criticizers, and castigators. These words describe individuals who are known for their relentless criticism and hostility towards others, often causing emotional pain and damage. Other similar words that can be used to describe such individuals include slanderers, fault-finders, defamers, and vilifiers. It is important to remember that while these individuals can be challenging to deal with, it is always best to approach them with patience and understanding in order to prevent negative interactions and maintain healthy relationships.