Arctic and Brumal

Arctic adjective - Having a low or subnormal temperature.

Brumal and arctic are semantically related in gelid topic. In some cases you can use "Brumal" instead an adjective "Arctic". rare substitute

Brumal adjective - Characteristic of or relating to winter.

Arctic and brumal are semantically related in cold topic. You can use "Arctic" instead an adjective "Brumal", if it concerns topics such as chilly, very cold.