Counter-argument refers to a statement or an idea that opposes an argument that has been presented. However, there are several other synonyms that can be used as an alternative to the term counter-argument. These include objection, disagreement, rebuttal, refutation, and contradiction. Objecting to an argument means presenting a different perspective or opinion that challenges the presented argument. On the other hand, disagreement refers to a lack of consensus on the presented argument. While refutation implies an active effort to disprove an argument, rebuttal indicates a counter-argument offered in response to a statement. Furthermore, a contradiction is the direct opposite of an argument. All these synonyms illustrate the importance of considering multiple perspectives when discussing a topic.