The term "hard-wired" refers to something that is ingrained or built-in and cannot be changed. However, there are several synonyms that can be used in place of "hard-wired." One option is "intrinsic," which refers to something that is an essential or inherent part of a system or structure. Another synonym is "innate," which pertains to qualities or characteristics that are innate to a person or animal. "Ingrained" is also a suitable substitute for hard-wired, describing something that has been deeply established over time. Similarly, "deep-seated" reflects a long history of conditioning or programming. By utilizing synonyms for "hard-wired," we can enhance our language and express complex ideas more effectively.