"Anti- (Opposition)" refers to a prefix used to indicate opposition or resistance to a particular idea, movement, or entity. It is commonly found in various contexts, such as politics, social movements, and health. For example, anti-war movements oppose military conflict, while anti-vaccine sentiments resist vaccination efforts. The term can also describe individuals or groups that actively challenge established norms or policies. In this sense, anti-establishment figures often seek to disrupt traditional power structures. Overall, "anti-" signifies a stance that counters or rejects something perceived as negative or harmful.