Permafrozen is a unique term used to describe conditions where the ground is permanently frozen. However, there are synonyms for permafrozen that can be used to describe similar conditions. One such word is cryotic, which means relating to or involving low temperatures. Frozen ground, particularly when occurring in Arctic or Antarctic regions, can also be called perennially frozen ground, frozen soil, or continuously frozen ground. Perennial ice, which refers to ice that lasts for more than one year, is another synonym for permafrozen. Additionally, the term permafrost refers to the layer of ground that is permanently frozen, making it a useful synonym for permafrozen.