Hiver is a French word that means "winter" in English. In French, there exist many synonyms that can be used to describe this season. Some of the most commonly used synonyms for hiver include the words "froidure," "gelee," "neige," and "frimas." Froidure is a term that describes the cold and chilly weather of winter. Gelee refers to the frost and icy conditions that are typical during this time of year. Neige is the French word for "snow," which is a natural phenomenon that is synonymous with winter. Frimas is a word used to describe the frosty and icy coating that covers the ground in winter. Overall, these synonyms offer a rich vocabulary for describing the winter season in French.