Subarctic is a term used to describe a climate or region that lies just below the Arctic Circle. Synonyms for subarctic include cold, temperate, moderate, chilly, brisk, crisp, freezing, and frozen. These words all indicate a climate or environment that is characterized by low temperatures, icy conditions, and a generally inhospitable environment. Other related terms include tundra, boreal, and polar, all of which refer to regions or climates that are similar to the subarctic in some way. Whether used to describe a specific place or a general climate, subarctic and its related synonyms provide a vivid picture of a harsh and unforgiving landscape.