Hyperboreans are a mythical race of people who lived in a perfect utopia beyond the northern winds. The word "Hyperborean" comes from the Greek word "hyper" which means "beyond" and "bóreios," which means north. If you are looking for synonyms for this term, you could try "Arctic dwellers," "northern folks," or "polar inhabitants." Other terms that could be used include "frosty beings," "icy occupants," and "snowy residents." Each of these terms emphasizes the cold and remote nature of the place where the Hyperboreans were said to live. Regardless of which term you use, each provides a unique interpretation of this fictional ancient civilization.