Nival is an adjective that describes things related to or characteristic of snow. It is also used to describe the vegetation, animals, or ecosystems of high altitude regions where snow is common. Synonyms for the term "nival" include wintry, snowy, frigid, glacial, frozen, arctic, polar, alpine, boreal, and subarctic. These words are often used interchangeably in literature, poetry, and scientific research to illustrate the beauty and harshness of cold environments. The use of synonyms serves to create vivid imagery and a deeper understanding of the impact of snow and ice on our planet.