There are several synonyms for the phrase "give a dressing-down," which means to scold or reprimand someone severely. Some alternative expressions for this phrase include "give a tongue-lashing," "chew someone out," "rip into someone," "give someone a piece of one's mind," and "castigate someone." Each of these phrases conveys a similar sense of strong disapproval and criticism toward the person being scolded. Depending on the context and tone of the conversation, different expressions may be more appropriate or effective than others. Regardless of the choice of words, giving a dressing-down is often seen as a way to communicate serious displeasure or disappointment with someone's behavior.