"Wintrier", an adjective derived from the word winter, signifies a chillier or colder atmosphere. It refers to the characteristics or features associated with the coldest season of the year. Synonyms for "wintrier" include frostier, icier, colder, snowier, and chillier. These words vividly depict the harshness and biting coldness of winter, connoting the presence of frost, ice, and snow. These synonyms effectively encapsulate the essence of the coldest time of the year, reminding us of the need for warm clothing, cozy fires, and hot beverages to combat the wintry conditions.