The word "biters" refers to someone or something that bites or is likely to bite. There are many synonyms that can be used in place of this word, depending on context. Common alternatives include "munchers," "chompers," "gnashers," and "nippers." More aggressive synonyms might include "attackers," "predators," "maulers," and "jaws." Alternatively, one might refer to specific types of biters, such as "mosquitoes" or "sharks." Depending on the tone and level of formality required, more playful synonyms could include "chewers," "crunchers," "nibblers," and "snackers." Whatever the context, there are a wide range of options available to replace the word "biters" as needed.