What does the prefix 'anti' signify?

The prefix 'anti' comes from Greek and translates to "against" or "opposite." It is commonly used in various terms in the English language to signify resistance or opposition to something. For instance, in words like "antibacterial," it indicates something that works against bacteria. Therefore, when 'anti' is used, it conveys a clear sense of opposing force or action, making it an essential prefix to understand, especially in contexts involving advocacy, medicine, and social issues. Understanding this prefix can help in comprehending the meaning of diverse vocabulary where opposition or resistance is key.