Excoriating is a strong word that means harshly criticizing or condemning. There are several synonyms for excoriating, including denouncing, condemning, rebuking, castigating, reproaching, upbraiding, and berating. Denouncing is a strong word, meaning to publicly condemn or criticize something or someone. Rebuking and castigating both mean to express strong disapproval or criticism towards someone for their actions. Reproaching and upbraiding both mean to scold or criticize someone in a harsh manner. Berating is similar to excoriating, meaning to strongly criticize someone for their actions or behavior. All of these synonyms for excoriating have varying degrees of intensity and can be used in different situations where a strong critique is necessary.