The term "frozen north" is often used to describe the Arctic regions, but there are plenty of synonyms that can be used to add variety and nuance to your writing. Some options include the "polar region," "Arctic Circle," "frosty north," "icy wastes," "frigid zone," and "snowy expanse." These alternatives can help you avoid repetitive language and add a more descriptive flair to your work. Whether you're writing about nature, geography, or climate, using different synonyms for "frozen north" can help you paint a vivid picture that captures the imagination of your audience.