Arctic frost is a term used to describe the sub-zero temperatures in the polar regions of the Earth. However, there are other words and phrases that can be used to communicate the same meaning. These include polar frost, tundra freeze, freezing wasteland, icy chill, glacial cold, frigid temperatures, and arctic ice. These expressions evoke a sense of the extreme cold and inhospitable terrain characteristic of the Arctic and Antarctic regions. Using these synonyms can add variety and nuance to one's writing or speech, making it more descriptive and engaging for the listener or reader.